Keen, W. W. 1. (1875). The history of the Philadelphia School of Anatomy and its relations to medical teaching: A lecture, delivered March 1, 1975, at its dissolution. Philadelphia: J.B. Lippincott & Co..

Keen, William W. 1837-1932. The History of the Philadelphia School of Anatomy and Its Relations to Medical Teaching: A Lecture, Delivered March 1, 1975, At Its Dissolution. Philadelphia: J.B. Lippincott & Co., 1875.

Keen, William W. 1837-1932. The History of the Philadelphia School of Anatomy and Its Relations to Medical Teaching: A Lecture, Delivered March 1, 1975, At Its Dissolution. Philadelphia: J.B. Lippincott & Co., 1875.