“barium”, inKielitoimiston sanakirja [Dictionary of Contemporary Finnish][1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki:Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland),2004–, retrieved2023-07-02
"barium", in Charles du Fresne du Cange’sGlossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
“barium”, inHarry Thurston Peck, editor (1898),Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
“barium”, inWilliam Smith, editor (1854, 1857),A Dictionary of Greek and Roman Geography, volume1 & 2, London: Walton and Maberly
“barium”, inRichard Stillwell et al., editor (1976),The Princeton Encyclopedia of Classical Sites, Princeton, N.J.: Princeton University Press
barium on Wikipedia.Wikipedia
