(1968). Book dealers in North America: A directory of dealers in secondhand and antiquarian books in Canada and the United States of America (1968-70, 5th ed.). Sheppard.
Cita Chicago Style (17a ed.)Book Dealers in North America: A Directory of Dealers in Secondhand and Antiquarian Books in Canada and the United States of America. 1968-70, 5th ed. London: Sheppard, 1968.
Cita MLA (9a ed.)Book Dealers in North America: A Directory of Dealers in Secondhand and Antiquarian Books in Canada and the United States of America. 1968-70, 5th ed. Sheppard, 1968.
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