Hepworth, Philip How to find out in history : a guide to sources of information fo r all / Philip Hepworth - [1st ed.] - Oxford : Pergamon , 1966 - xiv, 242 p. : facsims; 21 cm - Commonwealth and International Library. Libary and technical informa tion division . Subjects--Topical Terms: History --Study and teaching------ Dewey Class. No.: 016.9 HEP