Brochures for performances at the Royal College of Music, London, 1934-1935 Box 1 Unit ID: 7 Date: 1934/1935
Correspondence and lists relating to recordings by Hyde and institutions at which they are deposited Box 10 Unit ID: 65
Correspondence with Currency Press regarding publication of Complete Accord, 1988-1991 Box 2 Unit ID: 12 Date: 1988/1991