Goff, F. R., Incunabula in American Libraries. A third census of fifteenth-century books recorded in North American Collections. 2 Bde. (Haupt- und Suppl.-Bd.). New York, Bibliogr. Society of America 1964-72. OLwd. 4to. LXIII, 798 S.; XII, 104 S.

Dabei: I. Stillwell, M. B., Incunabula and Americana 1450-1800. A key to bibliographical study. New York 1961. OLwd. XVIII, 483 S. - II: Schullian, D. M. und F. E. Sommer, A catalogue of Incunabula and Manuscripts in the Army Medical Library. Mit 12 Tafeln. New York, H. Schumann [1948]. OLwd. 4to. XIII. 361 S. - Alle mit Exlibris.