File Plant Disease, 1964 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Potato Acreage Control, 1961-1962 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Potatoes, 1960-1964 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Potatoes, 1964 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Poultry, 1962 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Poultry, 1962-1963 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Poultry Inspect. Fees, 1964 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Poultry Research Facility, 1964 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Processing Plant, 1964 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture
File Sault Ste. Marie Water Rights, 1963 Box 135 In: Philip A. Hart papers, 1949-1976 (majority within 1959-1976) » Subject files, 1959-1976 » 1959-1964 » Agriculture