Nicolai Copernici Thorunensis De revolutionibus orbium caelestium libri sex hanc editionem curaverunt Franciscus Zeller and Carolus Zeller

Munchen : R. Oldenbourg, 1949. Text in Latin. Hardcover. 470 pages : illustrated ; 29 cm. No dust jacket. Previous bookplate Remnant on the front pastedown. Pages toned, unmarked, and binding is firm.