N.B. Items marked as Closed are closed access. To request access to material marked Closed except with the express permission of the Hoyle family please contact the Special Collections Librarian (tel. 01223-339393).
Slides of trips abroad 1950s-70s, and some astronomical slides.
Diaries 1954-1963 (2 x 1956 and 1962).
Diaries 1964-1970 (2 x 1967) and UNICEF calendars 1968-1970.