| CARTOGRAPHER | DATE | TITLE | ACCESSION NUMBER | LOCATION | IMAGES |
| H&H Graphics | 1967 | Map of St. Mary's County, Mother County of Maryland | MSA SC 1427-1-1574 | B5/03/02 | - |
| Hall, Ralph | 1636 | Virginia | MSA SC 1427-1-38 | B5/01/01 | - |
| Hall, Ralph [Engraver] | 1636 | Virginia | MSA SC 1399-1-206 | | - |
| Hall, Sidney | 1844 | United States | MSA SC 1399-1-714 | | - |
| Hall, Sidney | 1844 | [Title page] | MSA SC 1399-1-714 | | - |
| Hall, Sidney | 1844 | Black's General Atlas: comprehending sixty-one maps from the latest and most authentic sources | MSA SC 1399-1-714 | | - |
| Hammond, C. S. & Company | 1911 | [Title page] | MSA SC 1399-1-711 | | - |
| Hammond, C. S. & Company | 1911 | Hammond's Pocket Atlas of the World | MSA SC 1399-1-711 | | - |
| Hammond, C. S. & Company | 911 | Maryland and Delaware | MSA SC 1399-1-711 | | - |
| Hardecoeur, C. P. | 1799 | A map of the head of Chesapeake Bay and Susquehanna River | MSA SC 1399-1-383 | | - |
| Hare, J. Knowles | 1862? [1864] | Johnson's map of the vicinity of Richmond. and peninsular campaign in Virginia showing also theinteresting localities along the James, Chickahominy, and York Rivers | MSA SC 1399-1-546 | | - |
| Hare, J. Knowles | 1862? [1870] | Johnson's map of the vicinity of Richmond and peninsular campaign in Virginia showing also theinteresting localities along the James, Chickahominy and York Rivers | MSA SC 1399-1-547 | | - |
| Harper's Weekly [Publisher] | 1861 | Pictorial map of the seat of war, showing parts of the states of Maryland, Delaware, Virginia, andNorth Carolina, and also the coast line from Cape Henry to Fort Pickens, with the United Statesblockading fleet. | MSA SC 1399-1-430 | | - |
| Harper's Weekly [Publisher] | 1861 | Map of the seat of war in Virginia | MSA SC 1399-1-557 | | - |
| Harper's Weekly [Publisher] | 1861 | [Battle of Bull Run] 2pm July 21, 1861 | MSA SC 1399-1-557 | | - |
| Harper's Weekly [Publisher] | 1862 | Map of the southern states showing the strategic points and their railroad connections, theprincipal rivers, and the present position of the union and rebel forces. | MSA SC 1399-1-555 | | - |
| Harper's Weekly [Publisher] | 1862 | Kimmidge's Creek, left defense of the camp at Harrison's Landing | MSA SC 1399-1-556 | | - |
| Harper's Weekly [Publisher] | 1862 | Map of the country surrounding Richmond, Virginia, showing the railroads, principal roads,watercourses, etc. | MSA SC 1399-1-556 | | - |
| Harper's Weekly [Publisher] | 1863 | Description of battlefields in Virginia | MSA SC 1399-1-659 | | - |
| Harris, J. | n. d. | A new map of the English Empire in America viz Virginia, Maryland, Carolina, New York, NewIarsey, New England, Pennsylvania, Newfoundland, Cornhill | MSA SC 1427-1-56 | B5/01/01 | - |
| Harris, Senex & Wilson? Publisher | 1728 | A chart of the Atlantick Ocean from Buttons Island to Port Royall | MSA SC 1399-1-202 | | - |
| Haudecoeur, C. P. | 1799 | A map of the Chesapeake Bay and Susquehanna River showing the navigation of the same with atopographical description of the surrounding country | MSA SC 1427-1-85 | B5/01/01 | - |
| Heald, D. A. | 1862 | The battlefields and military positions in Eastern Virginia | MSA SC 1427-1-1205 | B5/03/01 | - |
| Heinton, Louise | n. d. | Land grants in Prince George's County including those laid out prior to the erection of the countyin 1696 | MSA SC 1427-1-238 | B5/01/02 | - |
| Henderson, J. H. | 1911 | Map showing the boundary lines between Maryland and West Virginia from the Potomac River tothe Pennsylvania state line | MSA SC 1427-1-452 | B5/01/03 | - |
| Herbst, F. and Graham, J. | 1849-1850 | Map showing a portion of the boundaries of Maryland, Pennsylvania, and Delaware as surveyed in1849 and [18]50 | MSA SC 1427-1-331 | B5/01/02 | - |
| Herrick, L. W | 1858 | Map of Harford County, Maryland | MSA SC 1427-1-770 | B5/02/03 | - |
| Herrick, P. W. | 1858 | A map of Harford County, Maryland | MSA SC 1399-1-304 | | - |
| Herrick, P. W. | 1858 | Map of Harford County | MSA SC 1427-1-1320 | B5/03/01 | - |
| Herrman, Augustine | 1670 | Virginia and Maryland | MSA SC 1427-1-1355 | B5/03/01 | - |
| Herrman, Augustine | 1670 [1673] | Virginia and Maryland | MSA SC 1399-1-397 | | - |
| Herrman, Augustine | 1673 [1896?] | Virginia and Maryland | MSA SC 1399-1-494 | | - |
| Herrman, Augustine | 1673 [1948] | Virginia and Maryland | MSA SC 1427-1-43 | B5/01/01 | - |
| Herrman, Augustine | 1673 [1970] | Virginia and Maryland as it is planted and inhabited this present year 1670 surveyed and exactlydrawne by the only labour & endeavour of Augustin Herrman Bohemiensis | MSA SC 1399-1-679 | | - |
| Heyne, Charles | 1861 | Map of part of Virginia, Maryland and Delaware from the best authorities | MSA SC 1399-1-282 | | - |
| Heyne, Charles | 1861 | Map of part of Virginia, Maryland and Delaware from the best authorities | MSA SC 1399-1-294 | | - |
| Heyner, Charles N. | n. d. | [Map of the country between the District of Columbia and the city of Annapolis] | MSA SC 1427-1-791 | B5/02/03 | - |
| Hills, John | 1777 [n.d.] | A chart of Delaware Bay and River from the cape's to Philadelphia being part of the province ofNew Jersey & Pennsylvania | MSA SC 1399-1-512 | | - |
| Hills, John | 1781 | Plan of the peninsula of Chesopeake Bay compiled from actual surveys | MSA SC 1399-1-247 | | - |
| Hills, John | 1781 | Plan of the peninsula of Chesopeake Bay Compiled from Actual Surveys by Iohn Hills AssistantEngineer 1781 | MSA SC 1399-1-751 | | - |
| Hills, John | 1781 | Plan of the Peninsula of Chesapeake Bay | MSA SC 1427-1-1324 | B5/03/01 | - |
| Hills, John? | 1785 | A plan of Yorktown and Gloucester in the province of Virginia shewing the works constructedfor the defence of those posts by the British Army under the command of Lt. General EarlCornwallis | MSA SC 1399-1-346 | | - |
| Hinton, John | 1780 | A new map of the province of Maryland in North America | MSA SC 1427-1-76 | B5/01/01 | - |
| Hinton, John [Publisher] | 1780 | A new map of the province of Maryland in North America | MSA SC 1399-1-231 | | - |
| Hively, Neal Otto | 1987 | Connected draft: Steltz Region -- Codorus Township -- York County Pennsylvania | MSA SC 1427-1-1374 | B5/03/01 | - |
| Hoen-Harvey, Inc [pub.] | 1962? | Indexed street map of northern Anne Arundel County Maryland includieng Glen Burnie,Fernadale and other communities | MSA SC 1427-1-280 | B5/01/02 | - |
| Holland, N.[Samuel?] | 1794 | A new chart of the coast of North America from New York to Cape Hatteras including the baysof Delaware and Chesapeak, with the coasts of New Jersey, Maryland, Virginia and part of thecoast of North Carolina | MSA SC 1399-1-38 | | - |
| Homann Heirs | 1708 [1737] | Dominia Anglorum in America Septentrionali... C. Virginia und Maryland | MSA SC 1399-1-719 | | - |
| Homann Heirs | 1756 | America septentrionalis | MSA SC 1399-1-65 | | - |
| Homann, Johann Baptist | 1714? | Virginia, Marylandia et Carolina in America Septentrionali Britannorum industria excultaerepraesentatae a Ioh. Bapt. Homann S.C.M. geog. Norimbergae. | MSA SC 1399-1-193 | | - |
| Homann, Johann Baptist | 1759 | Virginia, Marylandia et Carolina in America Septentrionali | MSA SC 1427-1-72 | B5/01/01 | - |
| Homann, Johann Baptist | n. d. | Regni Mexicani seu Novae Hispaniae Iudovicianae, N. Anliae Carolina, Virginiae et Pensylvaniae | MSA SC 1427-1-1239 | B5/03/01 | - |
| Hondius, Henricus | 1633 | Nova Virginia tabula | MSA SC 1427-1-37 | B5/01/01 | - |
| Hondius, Henricus [Publisher] | 1633 | Nova Virginiae tabula | MSA SC 1399-1-230 | | - |
| Hondius, Henricus [Publisher] | 1633 [1642] | Nova Virginiae tabula | MSA SC 1399-1-327 | | - |
| Hondius, Jodocus | 1630-1658c. | Paraguay, O Prov. de Rio de la Plata: cum regionibus adiacentibus TVCVMAN et Sta. Cruz de laSierra | MSA SC 1399-1-864 | | - |
| Hondius-Bleau | 1618 [1665] | Nova Virginiae tabula | MSA SC 1427-1-1208 | B5/03/01 | - |
| Hopkins, G. M. | 1878 | Atlas of Fifteen miles around Baltimore includng Anne Arundel County | MSA SC 1427-1-1391 | B5/01/02 | - |
| Hopkins, George M. | 1861 | War map, showing the vicinities of Baltimore & Washington | MSA SC 1399-1-324 | | - |
| Hopkins, George M. | 1876 | Plate V. Part of 1st Dist. Baltimore environs. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Business notices -- continued | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | [Title page] | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | [Illustration of Louis McMurray & Company, packer of mountain sugar corn, Frederick City,Md.] | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Business notices | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Business notices -- continued | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Business notices -- continued | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | City atlas of Baltimore, Maryland and environs from official recordes, private plans, and actualsurveys, based upon plans deposited in the Department of Surveys | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate AA. Part of 13th Dists. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate G. Parts of wards 13, 14, 18, 19 & 20 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Business notices -- continued | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate M. Part of ward 1 & 12th Dist. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate O. Parts of ward 1 & 12th Dist. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate I. Part of ward 18 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate W. Part of 1st Dist. Baltimore environs. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate X. Parts of 3rd & 9th Dists. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate J. Parts of wards 15, 17 & 18 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate Z. Parts of 9th & 12th Dists. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate K. Part of ward 17 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate CC. Parts of 3rd & 9th Dists. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate GG. Part of 13th Dist. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate DD. Parts of 1st & 3rd Dists. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate EE. Part of 1st Dist. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate FF. Part of 13th Dist. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate BB. Part of 12th Dists. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol 1: -- Plate HH. Part of 1st Dist. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol 1: -- Plate HH. Part of 1st Dist. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate Y. Part of 9th Dist. Baltimore environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol. 1 -- Plate: D. Parts of wards 5, 6, 7, 8, 9, 10 & 11 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Table of contents | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Outline and index map of Baltimore and environs | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate: A. Parts of wards 9, 10, 13, 14, 15 & 16. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol. 1. -- Plate: B. Part of wards 2, 3, 4, 5, & 6 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate: E. Parts of wards 11, 12, 13 & 20 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol. 1 -- Plate C. Parts of wards 1, 2, 3 & 6 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Plate U. Part of 3rd Dist. Baltimore environs. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate P. Parts of ward 7. 8 & 12th Dist. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate Q. Parts of 9th & 12th Dists. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate F. Parts of wards 12, 18 & 20 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate R. Parts of 3rd & 9th Dists. Baltimore environs. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate L. Part of ward 17 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate S. Part of 9th Dist. Baltimore environs. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate N. Parts of 1st, 6th & 7th wards & 12th Dist. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate T. Part of 9th Dist. Baltimore environs. | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | Vol: 1 -- Plate H. Parts of wards 16 & 18 | MSA SC 1399-1-265 | | - |
| Hopkins, George M. | 1876 | City of Baltimore and environs | MSA SC 1427-1-295 | B5/01/01 | - |
| Hopkins, George M. | 1876 | City of Baltimore and environs | MSA SC 1427-1-581 | B5/01/01 | - |
| Hopkins, George M. | 1877 | Plan of Towsontown | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Plan of Waverly, 9th Dist. | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | [Title page] | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | [Table of contents] | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Distance table of Baltimore County, Population of the State of Maryland (1870), Population ofthe United States (1860, 1870), Population and area of Baltimore County by districts (1870) | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Map of Baltimore County Maryland, 1877 | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Plan of Catonsville | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | First district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Garrison P. O. | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Atlas of Baltimore County, Maryland | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Second District | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Mt. Washington | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | T. Flory & Cost's Carriage Manufactory, Reisterstown, Baltimore Co., Md. | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Business notices, Baltimore City | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | List of patrons | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Ninth district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Plan of Friendship | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Map of the United States and territories | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | List of patrons | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | German Lutheran Church at Gardenville | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Map of the City of Baltimore | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Warren Cotton Mills | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | East part of Twelfth district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | History and description | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Eleventh district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Map of Maryland, Delaware and the District of Columbia | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Canton P. O. | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Eastern hemisphere | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Western hemisphere | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Calverton Heights | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Thirteenth district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | History and description | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Owings Mills | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | List of patrons of the atlas of Baltimore County, Md. | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Sixth district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Eighth district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | List of patrons | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Reisterstown | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | List of patrons | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | West part of Twelfth District | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Seventh district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | History and description | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | List of patrons | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Texas Station | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Fifth district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Orangeville | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Fourth District | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Tenth district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | History and description | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Clifton | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Third district | MSA SC 1399-1-263 | | - |
| Hopkins, George M. | 1877 | Atlas of Baltimore County | MSA SC 1427-1-291 | B5/01/01 | - |
| Hopkins, George M. | 1877 | Map of the city of Baltimore | MSA SC 1427-1-587 | B5/01/03 | - |
| Hopkins, George M. | 1877 | Atlas of Baltimore County | MSA SC 1427-1-980 | B5/01/01 | - |
| Hopkins, George M. | 1878 | City of Annapolis | MSA SC 1427-1-13 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Fourth district: Anne Arundel County | MSA SC 1427-1-191 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Third district: Anne Arundel County | MSA SC 1427-1-193 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Atlas of fifteen miles aroung Baltimore including Howard Co[unty], Maryland | MSA SC 1427-1-285 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Fifteen miles around Baltimore including Anne Arundel County | MSA SC 1427-1-295 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Atlas of fifteen miles around Baltimore including Anne Arundel County Maryland | MSA SC 1427-1-297 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Atlas of fifteen miles around Baltimore including Anne Arundel County Maryland | MSA SC 1427-1-297 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Atlas of fifteen miles around Baltimore including Anne Arundel County Maryland | MSA SC 1427-1-297 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Atlas of fifteen miles around Washington including the county of Prince George, Maryland | MSA SC 1427-1-324 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Fifteen miles around Baltimore including Anne Arundel County | MSA SC 1427-1-580 | B5/01/01 | - |
| Hopkins, George M. | 1878 | Second district, Anne Arundel County | MSA SC 1427-1-749 | B5/02/03 | - |
| Hopkins, George M. | 1878 | Second District, Anne Arundel County, Maryland | MSA SC 1427-1-861 | B5/02/02 | - |
| Hopper, Peter Lesley | 1889 | Plan of the city of Havre de Grace, Maryland | MSA SC 1427-1-833 | B5/02/02 | - |
| Horvath, George | 1986 | From Rayville to Maryland Line along the Middle York Rd (Middleton Rd.), Old York Road andthe Great York Road | MSA SC 1427-1-1385 | B5/03/01 | - |
| Horvath, George | var. dates | [Baltimore City Limits] | MSA SC 1427-1-1385 | B5/03/01 | - |
| Horvath, George J., Jr. & Brown, M. | 1725-1794 [1976] | Early patents and roads | MSA SC 1427-1-741 | B5/02/03 | - |
| Horvath, George J., Jr. & Wilkinson, R. B. | 1982 | Owings Mills map | MSA SC 1427-1-1251 | B5/03/01 | - |
| Howard County, Maryland | 1797 | Topographic map of Howard County, Maryland [2 copies] | MSA SC 1427-1-1592 | B5/03/02 | - |
| Howard County, Maryland | 1797 | Topographic map of Howard County, Maryland. Sheet no. GC0119-T-238-22 [2 copies] | MSA SC 1427-1-1593 | B5/03/02 | - |
| Howard H. Tunis, Ocean Beach Development Co. | 1916/05/08 | Map of Atlantic City, Worcester County, Maryland | MSA SC 1427-1-1527 | B5/03/02 | - |
| Howard Research and Development Corporation | 1979 | Street map of the city of Columbia and vicinity | MSA SC 1427-1-1543 | B5/03/02 | - |
| Howard, J. Spence | [1932] | Map of St. Mary's City, Maryland's first settlement | MSA SC 1427-1-512 | B5/01/03 | - |
| Howard, J. Spence | 1668 [1932] | Map of St. Mary's City, Maryland's first settlement, showing original and present locations fromactual surveys and patents | MSA SC 1427-1-1142 | B5/02/01 | - |
| Howard, J. Spence | 1748-1798 | Routes traveled by George Washington in Maryland | MSA SC 1427-1-528 | B5/01/03 | - |
| Howard, J. Spence | 1920 | Plat no. 4: Linthicum Heights | MSA SC 1427-1-364 | B5/01/02 | - |
| Howard, J. Spence | 1932 | Map of St. Mary's City, Maryland's first settlement showing original and present locations fromactual surveys and patents | MSA SC 1427-1-175 | B5/01/01 | - |
| Howell, Reading | 1791 | A map of Pennsylvania & the parts connection therewith, relating to the roads and inlandnavigation especially as proposed to be improved by the late proceedings of the Assembly | MSA SC 1427-1-1265 | B5/03/01 | - |
| Howell, Reading | 1792 | A map of the state of Pennsylvania | MSA SC 1427-1-1267 | B5/03/01 | - |
| Humphreys, William | 1792 | A map of Cecil County from actual surveys of the roads in 1792 | MSA SC 1427-1-209 | B5/01/02 | - |
| Hunt & Eaton | 1893 | The Columbian Atlas of the World We Live In: Geological, Astronimical, Geographical,Zoological, Botanical, Ethnological, Statistical | MSA SC 1427-1-1390 | B5/01/02 | - |
| Hutchins, C. et al | 1737-1807 [1976] | Taylor's Hall and additions | MSA SC 1427-1-742 | B5/02/03 | - |