Fuentes Imagen cortesía de Baker Library Historical Collections; Dorothea D. Reeves, "The Jost Amman Print," en The Business History Review, Vol. 33, nº 2; Donald T. Clark, "Jost Amman's Allegory of Trade-or, the World of Business in the Sixteenth Century," en The World of Business, Vol. IV (Simon & Schuster, 1962)
