Date: 1935

Reference:  Beaton Institute, Cape Breton University bi-sydneybooster-P1 to bi-sydneybooster-P8

Date: 1939

Reference:  Beaton Institute, Cape Breton University bi-81-749-5829

Date: 1939

Reference:  Beaton Institute, Cape Breton University bi-pam-4082-cover to bi-pam-4082-p035

Date: 1949

Reference:  Beaton Institute, Cape Breton University bi-87-504-17034

Date: 1958

Reference:  Beaton Institute, Cape Breton University bi-A-3609.6

Date: 1967

Reference:  Beaton Institute, Cape Breton University bi-83-18-8318

Date: 1967

Reference:  Beaton Institute, Cape Breton University bi-77-780-914