Pierre Key's music year book.
APA Citation
Key, P. V. R. (Van Rensselaer). (19251926). Pierre Key's music year book. New York: Pierre Key.
MLA Citation
Key, Pierre V. R. (Van Rensselaer), 1872-1945. Pierre Key's Music Year Book. New York: Pierre Key, 19251926.
Warning: These citations may not always be complete (especially for serials).