Fonds contains records created by William Threlfall that pertain primarily to the diseases, virology, and parasitology of birds and waterfowl. Records are thesis, research notes, and articles.
Item consists of a press release issued by the National Museum of Canada regarding the long-term loan acquisition of extinct Labrador duck specimens from the Thomas McCulloch Museum at Dalhousie University to the National Museum of Natural History in Ottawa. Also includes correspondence between A.W.F. Banfield and Eric Mercer.
Item consists of correspondence between Dalhousie President Henry Hicks and several other stakeholders between 1964 and 1968, regarding the potential loaning of extinct Labrador duck specimens from the Thomas McCulloch Museum to the National Museum of Canada. Includes correspondence between President Hicks and L.B. Macpherson, Eric Mercer, A.W.F. Banfield, Waldemar Fries, Sylvia Fullerton, John E. McInerny, R.A. Cluney, T.A. Russell, J. Lynton Martin, Elisabeth A. Christian, D.H. McNeill, K.E. von Maltzhan, and W. Earl Godfrey.
Item consists of correspondence between Dalhousie President A. Stanley MacKenzie, Dr Leonard Sanford, C.J. Burchell, and Henry Fairfield Osborn, regarding Dalhousie's holding of extinct Labrador duck specimens in the Thomas McCulloch Museum.
Item consists of correspondence between Dalhousie President Carleton Stanley's office, as well as Robie Tufts and Burlingham Schurr, regarding Dalhousie's holding of two Labrador duck specimens at the Thomas McCulloch Museum.
File contains 6 photographs taken by Bill Freedman in the Great Lakes and at Lake Winnipegosis, Manitoba, in the early-1980s. Photographs show the effects of pollution of Double-crested cormorant chicks, including examples of "addled embryos".
Item consists of a colour slide photograph of American cormorant researcher Jim Ludwig's pet double-crested cormorant Crossbill, standing on a diving board.
File contains 9 photographs taken by J. Vandermeulen (and collected by Bill Freedman), likely in 1978. Photographs show clean-up efforts of the oil spill after the Amoco Cadiz super-tanker ran aground off the Brittany coast (near Portsall, France) on March 16, 1978.
Item consists of a photograph taken in 1978 by J. Vandermeulen after the Amoco Cadiz disaster, showing oiled juvenile Black Guillemots housed in a box after cleaning treatment.
File contains 16 photographs taken by Bill Freedman, predominantly in 1975. Photographs show birds and plants at two Newfoundland parks: Cape St. Mary's Reserve on the Avalon Peninsula, and Gros Morne on the Great Northern Peninsula.
Item is a photograph of a taxidermy display of large homed owls surrounded by small, short-eared owls and long-eared owls. The owls are on display at the McCulloch Museum in the Biology Department.
Item is a photograph of a taxidermy display of black-backed and herring gulls. The display is located at the McCulloch Museum in the Biology Department.
Item is a photograph of a taxidermy display of marsh birds including the great blue heron, gallinies, sora, rail, bittern, woodcock and snipe. The display is located at the McCulloch Museum in the Biology Department.
File contains correspondence related to the valuation and lending of the very rare Labrador duck specimen held at the McCulloch Museum, Dalhousie University, Halifax. Includes Freedman's unofficial valuation, as well as facsimiles of earlier correspondence between the National Museum of Natural Sciences and the Dalhousie University Department of Biology,
File contains 21 photographs taken by Bill Freedman between 1976 and 1979. Photographs show Great Grey owls at Ajax, Ontario, Snowy owls at Smoking Hills, Northwest Territories, and Barred owls at Algonquin Park.
File contains 24 photographs taken by Bill Freedman at the Headland site, Leslie Street spit, Toronto, in 1977. Photographs show nesting terns (Caspian and Common) and gulls (Ring-billed and Herring).
File contains 27 photographs taken by Bill Freedman during two visits to Tuktoyaktuk, Northwest Territories, in 1973 and 1974. Photographs show birds in the area around Tuktoyaktuk, including Semipalmated plover, Whimbrel, Stilt sandpipers, Common eider, and Lapland longspur.
File contains 172 photographs taken by Bill Freedman in central Florida over multiple visits, primarily between 1973 and 1977, but also in 1994. Photographs show various species of heron, crane, spoonbill, hawk, vulture, gull, egret, ibis, grebe, anhinga, pelican, and owl. Photographs are taken predominantly in the Everglades, however a few are from Pigeon Key, Bahia Honda, and Flamingo.
File contains 56 photographs taken by Bill Freedman at Alexandra Fiord, Ellesmere Island, on three occasion, between 1974 and 1981. Photographs show Old squad nesting sites.
