Hartmann's operation - Wikipedia
Why Has Ukranian Composer Thomas de Hartmann Been So Neglected?
Why Has Ukranian Composer Thomas de Hartmann Been So Neglected?
Thomas de Hartmann Project - Home | Facebook
Thomas de Hartmann - Wikipedia
The Music Of Gurdjieff / De Hartmann | Light In The Attic Records
Thomas De Hartmann | Discography | Discogs
Olga und Thomas de Hartmann: Biografien | Chalice Verlag
Movimenti e Danze Sacre di Gurdjieff con Shurta | Biografia di Thomas de Hartmann
MEETINGS WITH REMARKABLE MEN - Original Motion Picture Soundtrack by T | Buysoundtrax
Gurdjieff / De Hartmann – The Music Of Gurdjieff / De Hartmann (1985, Vinyl) - Discogs
Thomas de Hartmann | Spotify
The Music of GURDJIEFF / de HARTMANN Hymns, Prayers and Dances - YouTube
Catalogue of Compositions – The Thomas de Hartmann Project
Music for the Piano
Thomas de Hartmann: A Composer's Life
Thomas de Hartmann: Orchestral Music | Toccata Music Group | Toccata Classics | Toccata Press | Toccata Next
MEETINGS WITH REMARKABLE MEN - Original Motion Picture Soundtrack by T | Buysoundtrax
Fabulous de Hartmann Premieres on Toccata from Kuchar and the Lviv Philharmonic - Classics Today
