Wemyss, S. (1950). The general guide to rare Americana: With auction records and prices ; a hand book and guide to the rare and notable books relating to America. With chronological and regional inventories of early printed books in the United States, and a key to American imprints, 1639-1889 (New, enl. ed.). Philadelphia.

Wemyss, Stanley. The General Guide to Rare Americana: With Auction Records and Prices ; a Hand Book and Guide to the Rare and Notable Books Relating to America. With Chronological and Regional Inventories of Early Printed Books in the United States, and a Key to American Imprints, 1639-1889. New, enl. ed. Philadelphia, 1950.

Wemyss, Stanley. The General Guide to Rare Americana: With Auction Records and Prices ; a Hand Book and Guide to the Rare and Notable Books Relating to America. With Chronological and Regional Inventories of Early Printed Books in the United States, and a Key to American Imprints, 1639-1889. New, enl. ed. Philadelphia, 1950.