Incunabula in American libraries. A third census of fifteenth-century books recorded in North American collections. (Und:) Supplement. 2 Bde. Millwood, NY, The Bibliographical Society of America and Kraus Reprint Co. 1972-73. 4°. LXIII, 798 S.; 104 S. Olwdbde. mit goldgepr. Rtit. [...]