| 1987 |
The Complete Piano Music of Georges I. Gurdjieff and Thomas de Hartmann, Vol. 1: Seekers of The Truth |
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| 1988 |
The Complete Piano Music of Georges I. Gurdjieff and Thomas de Hartmann, Vol. 2: Reading of a Sacred Book |
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| 1990 |
The Complete Piano Music of Georges I. Gurdjieff and Thomas de Hartmann, Vol. 3: Words for a Hymn to the Sun |
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