The collection consists of approximately fifty small collections or fonds donated by individuals and organizations. It includes material (including photographs) from the following individuals or organizations: Yoshimitsu Akagawa, Rintaro Hayashi, Japanese Fishermen's Benevolent Association, Kishizo Kimura, Masajiro Miyazaki, Japanese Canadian Citizens' Association, Hideichi Nosaka, Yoshio Ono, Yukio Shimoda, Rinkichi Tagashira, Shingeichi Uchibori, Chiyo Umezuki, Tokikazu Tanaka, Yasutaro Yamaga, Tameo Kanabara, Richmond Berry Growers Association, Shogo Kobayashi, Skeena Fishermen's Association, Jisaburo Wakabayashi, J. Uno, Camp and Mill Workers Federal Labour Union, and Mitsuru Shimpo. The collection encompasses a wide range of topics including relocation to internment camps during World War II, farming, lumbering, religious activities, and personal reminiscences, as well as various organizational records. Individual collections have been arranged and described separately and filed in alphabetical order. Most of the manuscript material has been photocopied from original documents.

The fonds consists of correspondence and writings of R.A. Shiomi and material relating to the activities of, and Shiomi's participation in, the Japanese Canadian Citizens Association. There is also some material on the issue of the internment of Japanese Canadians during World War II.