Books by LeRoy B. Campbell:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Campbell, LeRoy B. (LeRoy Brotzman), 1873-1958: A practical course in ear training; or, A guide for acquiring relative and absolute pitch, for use in all schools of music, for private teachers, and for self-instruction (Breitkopf and Härtel, 1905), also by Salomon Jadassohn (page images at HathiTrust)- Campbell, LeRoy B. (LeRoy Brotzman), 1873-1958: A practical course in ear training; or, A guide for acquiring relative and absolute pitch, for use in all schools of music, for private teachers, and self-instruction (Breitkopf and Härtel, 1899), also by Salomon Jadassohn and Le Roy B. Campbell (page images at HathiTrust)
Find more by LeRoy B. Campbell at your library, or elsewhere.