Authors: Willi Apel

  • Harvard Dictionary of Music — Willi Apel

    Harvard Dictionary of Music — Willi Apel

  • The Notation of Polyphonic Music 900 1600 (Hardback) — Willi Apel

    The Notation of Polyphonic Music 900 1600 (Hardback) — Willi Apel

  • Corpus of Early Keyboard Music — Willi Apel

    Corpus of Early Keyboard Music — Willi Apel