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. : ill., facsims. ; 21 cm. Subjects--Topical Terms: History --Study and teaching.------ Dewey Class. No.: 902 HEP