found:LCCN 15-1914: Universidad Nacional de Córdoba. Observatorio Astronómico. Catálogo de 5791 estrellas posiciones ... 1911(hdg.: Perrine, Charles Dillon, 1867-1952; usage: C.D. Perrine)
found:Wikipedia, April 30, 2019(Charles Dillon Perrine; born July 28, 1867 in Steubenville, Ohio; died June 21, 1951 in Villa del Totoral, Argentina; American astronomer; worked at the Lick Observatory in California from 1893 to 1909; director of the Argentine National Observatory from 1909 until 1936)
found:Monthly Notices of the Royal Astronomical Society, Volume 112 (1952):page 273 (Charles Dillon Perrine, former director of the Cordoba Observatory, Argentine, died on 1951, June 21, at the age of eighty three years.)
found:OCLC, April 30, 2019(access points: Perrine, Charles D., 1867-1951; Perrine, C. D. (Charles Dillon), 1867-1951; usage: Charles D. Perrine; Charles Dillon Perrine; C.D. Perrine; Carlos Dillon Perrine)