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).