Subseries consists of correspondence, CVs, and reports relating to the administration of the Institute, its programs and its personnel.
Subseries arranged in alphabetical order.

Series consists of correspondence, reports, and copies of court documents relating to an American court case, "United States vs. State of Washington", dealing with a dispute over Indigenous Peoples' fishing rights. Dr. Larkin served as a paid consultant and expert witness on this case.

Series consists of correspondence, reports, and minutes from B.C. Packers Ltd., Dr. Larkin was a member of the Board of Directors. Included are reports on mariculture and salmon prediction.

Subseries consists of correspondence, reports, notes, and minutes from the NRBS Board and the Science Advisory Committee.

Series consists of correspondence, reports, and minutes arising from Dr. Larkin's involvement with two international research organizations: the International Center for Living Aquatic Resources Management (ICLARM) and the Consultative Group on International Agricultural Research (CGIAR).

Series consists of correspondence, minutes, and reports arising from Dr. Larkin's involvement with the International Development Research Centre.

Series consists of correspondence, CVs, reports, and scrapbooks relating to the Institute of Fisheries / Animal Resource Ecology, arranged into two sub-series.

Series consists of correspondence, minutes, and reports from the Northern River Basins Study, which examined the ecology and human activities of the Athabaska-Peace River basin. Dr. Larkin chaired the Study's Science Advisory Committee. The materials are arranged in two sub-series.

Fonds consists of correspondence, reports, notes, and drafts for scientific papers and lectures, overhead transparencies used in lectures, photographs, scrapbooks and publications. The records document Dr. Larkin's research, teaching, and administrative careers, and also provide an overview of his role as a scientific authority on various public issues. Fonds also includes some administrative records from the UBC Institute of Fisheries that had been integrated into the fonds. The records have been arranged into the following series: Subject files; Peter Larkin - Personal; Publications, manuscripts, and lecture notes; Institute of Fisheries/Institute of Animal Resource Ecology; Salmonid Enhancement Program; Rawson Academy of Aquatic Science; British Columbia Packers Limited; SPARK (Strategic Planning for Applied Research and Knowledge - B.C. Science Council); Widerness Advisory Committee; Special Advisory Committee on Strathcona Park; Northern River Basins Study; ICLARM (International Center for Living Aquatic Resources Management)/ CGIAR (Consultative Group on International Agricultural Research); "Bolt Decision" (United States vs. State of Washington); and IDRC (International Development Research Centre).

Series consists of lecture notes, newspaper clippings, CVs, and correspondence of a personal nature to Dr. Larkin. Included is a notebook containing notes for his Oxford D.Phil. thesis on moles, and letters of congratulation on his appointment as a University Professor.

Series consists of manuscripts, lecture notes, correspondence, overhead transparencies, and published materials related to Dr. Larkin's publications, articles, reports, course lectures, and public lectures and presentations. The materials cover the entire range of his interests and activities in fisheries and the environment.

Series consists of correspondence and reports relating to the Rawson Academy of Aquatic Science and Dr. Larkin's involvement with it.

Subseries consists of periodic and annual reports issued by the Northern River Basins Study.

Series consists of correspondence, notes, and reports documenting Dr. Larkin's involvement with the British Columbia Salmonid Enhancement Program.

Subseries consists of scrapbooks containing photographs and newspaper clippings documenting the early history of the Institute.

Series consists of correspondence, minutes, and reports arising from Dr. Larkin's involvement with the Strategic Planning for Applied Research and Knowledge, also known as the B.C. Science Council.

Series consists of correspondence, and reports from a committee set up to advise the provincial government on managing Strathcona Park on Vancouver Is., which Dr. Larkin chaired. Also included are exhibits and written submissions to the Committee from concerned citizens and groups.

Series consists of correspondence and reports concerning persons and institutions with which Dr. Larkin was in regular contact but did not necessarily directly relate to his work. Includes material on the "Kemano Completion" project and the Royal Society of Canada and correspondence with H.R. MacMillan.

Series consists of correspondence, minutes, reports, and published maps relating to the Special Advisory Committee on Wilderness Preservation, which advised the provincial government to manage wilderness areas in B.C., in particular, the Spatsizi-Stikine and Tatshenshini-Alsek regions.