LC auth. file, 11th July 2002 (hdg.: Hodgkin, Thomas, 1831-1913)
On the Jewish calendar or the feasts and fasts of Israel, 1865 t.p. (Thomas Hodgkin)
Oxford DNB online, 10 July 2007 (Thomas Hodgkin, historian; born 29 July 1831, died 2 Mar. 1913; a Quaker; works incl. "Italy and her invaders" and "History of England from the earliest times to the Norman Conquest")