Mason, Perry Empey Fundamentals of accounting. Instructors key. By Perry Mason and Sidney Davidson. - 3d ed. - Brooklyn Foundation Press 1953. - 441 p. 27 cm. LCCN: 53001349 //r54 Subjects--Topical Terms: Accounting Subjects--Index Terms: Contabilidad. LC Class. No.: KF1355 M41 Dewey Class. No.: 657