David Dunlap Observatory

David Dunlap Observatory Logbook, June 1960-August 1961 (Volume 29, June 1960-August 1961, Plate Nos. 25208-25746)

David Dunlap Observatory Logbook, March 1959-June 1960 (Volume 28, March 1959-June 1960, Plate Nos. 24627-25207)

David Dunlap Observatory Logbook, April 1989-October 1989 (63, April 1989-October 1989, Plate Nos. 50541-50687)

David Dunlap Observatory Logbook, April 1968-February 1969 (Volume 39, April 1968-February 1969, Plate Nos. 31084-31806)

David Dunlap Observatory Logbook, December 1979-November 1980 (54, December 1979-November 1980, Plate Nos. 44201-45195)

David Dunlap Observatory Logbook, June 1962-April 1963 (Volume 31, June 1962-April 1963, Plate Nos. 26177-26730)

David Dunlap Observatory Logbook, June 1955-July 1956 (Volume 25, June 1955-July 1956, Plate Nos. 22320-23283)

David Dunlap Observatory Logbook, February 1987-May 1988 (61, February 1987-May 1988, Plate Nos. 49897-50261)

David Dunlap Observatory Logbook, June 1965-March 1966 (Volume 35, June 1965-March 1966, Plate Nos. 28445-28934)

David Dunlap Observatory Logbook, July 1956-October 1957 (Volume 26, July 1956-October 1957, Plate Nos. 23284-24116)

David Dunlap Observatory Logbook, April 1952- June 1953 (Volume 22, April 1952- June 1953, Plate Nos. 18965-20063)