Adapted Viola (1930)
Adapted Guitar I (1935)
Kithara (1938)
Chromelodeon (1941)
Adapted Guitar II (1945)
Harmonic Canons “Castor & Pollux” (1945)
Diamond Marimba (1946)
Adapted Guitar III (1950)
Bass Marimba (1950)
Cloud Chamber Bowls (1950)
Marimba Eroica (1951)
Surrogate Kithara (1953)
Spoils of War (1955)
Boo (1955)