Hardy, R. Allen. The jewelry repair manual / R. Allen Hardy and John J. Bowman. - Princeton, N. J. : Van Nostrand, c 1956. - iv, 160 p. : ill. ; 24 cm. Includes index. 332 332 Subjects--Topical Terms: Jewelry--repairing. Dewey Class. No.: 739.2702 / H222j