Sheet music, scores:
Piano Four Hands 1958

Translation: For Piano 4-hands. Composed 1958. Piano Four hands. Morton Feldman. composed by Morton Feldman.

Translation: 1 Piano, 4 Hands. This set includes eight pieces based on impressions of travel across Europe for one piano.

Translation: Florent Schmitt. Ten Pieces, Opus 26 composed by Florent Schmitt. Edited by Marthe Morhange-Motchane.

Translation: this is not to be confused with the version for four players - 8 hands - at two pianos, presently in preparation.

Translation: Music From Spain. Piano duet book. Two Pianos, Four Hands. Three Original Pieces in the Popular Style.