The Thomas de Hartmann Papers
Documents de Hartmann's life and work through musical sketches, manuscript scores, and printed music and contain materials relating to George Ivanovitch Gurdjieff.

Anderson, Margaret C.
Archives finding aid. Letters, photos and manuscripts.

Florence Reynolds Collection re Jane Heap and The Little Review
Archival finding aid. Jane Heap was a student of Gurdjieff in Paris and later run her own groups in England and USA.

Fritz Peters
Dedicated to Fritz Peters (1913-1979), Gurdjieff memoirist and American novelist.