Queen Elizabeth II Silver Jubilee Trust: correspondence, 1977 (see also folder 215) Box 56 Unit ID: 432
Queensland Conservatorium of Music: Letters from Hobcroft's students, 1989-96 (see also folder 71) Box 54 Unit ID: 413
Queensland Conservatorium of Music: News clippings re staff, 1988-91 (see also folder 69) Box 54 Unit ID: 413
RAAF: correspondence from former colleagues and brochures about a reunion, 1983-95 (see also folder 4) Box 47 Unit ID: 369