Ashbee, H. S., & Ashbee, H. S. (1962). Bibliography of prohibited books: By Pisanus Fraxi [Pseud., d.i.: Henry Spencer Ashbee] (Reprint der Ausgabe London 1877.). Brussel.

Ashbee, Henry Spencer, and Henry Spencer Ashbee. Bibliography of Prohibited Books: By Pisanus Fraxi [Pseud., D.i.: Henry Spencer Ashbee]. Reprint der Ausgabe London 1877. New York: Brussel, 1962.

Ashbee, Henry Spencer, and Henry Spencer Ashbee. Bibliography of Prohibited Books: By Pisanus Fraxi [Pseud., D.i.: Henry Spencer Ashbee]. Reprint der Ausgabe London 1877. Brussel, 1962.