August de Boeck: Musica Classica Classical Music Dictionary entry with life and influences.
Boeck, August de (1865 - 1936), Belgium: Biographical data, recommended CDs, books and sheet music, bibliography, and link to biographical essay from Dr. Estrella's Incredibly Abridged Dictionary of Composers.
Boeck, August de (1865 - 1937): Brief biographical sketch and recommended recording.