About James B. Hartman James Hartman studied organ with Filmer Hubble and was a frequent contributor to The Diapason: The Journal of the International Society for Organ History and Preservation. Books by James B. Hartman The Organ in Manitoba A History of the Instruments, the Builders, and the Players by (author) James B. Hartman The Organ in Manitoba A History of the Instruments, the Builders, and the Players by (author) James B. Hartman
