Found in 2 Collections and/or Records:
Correspondence of Karl Adler with individuals, including Theodor Baeuerle, Martin Buber, Alexander Dillmann, Theodor Heuss, Paul Hindemith, Otto Hirsch, Kurt Georg Kiesinger, Paul Rieger, and Hans Walz; correspondence with family members, including letters written as a soldier during World War I and the November Revolution.
Manuscripts of Gelbart's musical compositions. Clippings by and about Gelbart. Several plays for children. A children's operetta. Compositions for solo piano and for full orchestra. Arrangements of liturgical music for solo and choir. Lectures given by Gelbart.