One letter appears to have been enclosed in the other, which provides context stating that the first letter was to be hand delivered, but was sent via mail with the second letter by way of explanation. The first letter appears to be from Harold E. Gzowski (Bundy) to his father, Harold N. Gzowski. The second letter is from Cadet W. Cockford to Harold E. Gzowski[?].
Binder 1:
26-34: Tutorials
35: Lecture
36: Tutorial with ?
37: Anthropology Class
41-84: Tutorial with M.L. Rubinoff (Philosophy) (50-63 are b&w)
85-88: Computer Lab
89: Gordon Winocur (Psychology)
90: James MacAdam (Philosophy)
91: Alan Wilson (b&w)
92: ?, ?, Peter Adams
93: Iswar Chakravarty (Mathematics)
94: Stuart Robson (History) (b&w)
95: Michael Peterman (English Literature)
96-97: Fred Tromly (English Literature)
98: Tutorial with T.H.B. Symons