TRÉPANIER, Sylvie «L'arbre, un être vivant» Québec, Ministère de l'Énergie et des Ressources, 1980. 16 p. Oblong (19 X 22 cm). Très illustré. (Inv. #37441) 15 $
TRUDEL, François «Une bibliographie annotée sur le caribou (rangifer taradus) du Québec-Labrador» Québec, Ministère des Affaires Culturelles, 1979. 146 p. (28 cm). Cartes. (Inv. #36579) 20 $
(TULIPES) «Mes Tulipes, Jacinthes, Narcisses, Crocus et plantes bulbeuses de printemps» Paris, Librairie Horticole, 1957. 31 p. (18 cm). Bien illustré. (Inv. #37454) 12 $
TULLY, John P «Oceanography, Science of the Sea» Ottawa, Department of Fisheries of Canada, 1953. 19 p. (26 cm). Profusely illustrated. (Inv. #16747) 20 $
TWENHOFEL, W.H «The Anticosti Island Faunas» Ottawa, Department of Mines ? Geological Survey, 1914. 38 p. (25 cm). Museum Bulletin No. 3, Geological Series No. 19. With a plate. (Inv. #20347) 30 $
TWINN, C.R «Control of Bedbugs, Fleas, Lice and Wasps» Ottawa, Canada Department of Agriculture, Entomology Division, March 1956. 10 p. (25 cm). Publication 969. Illustrations. Cover-title. (Inv. #4108) 12 $
TWINN, C.R «Flies and their control» Ottawa, Canada Department of Agriculture, Science Service, Entomology Division, February 1955. 6 p. (24 cm). Publication 933. (Inv. #6033) 12 $
TWINN, C.R «Lutte contre les Rats et les Souris» Ottawa, Ministère de l'Agriculture, Division de l'Entomologie, 1957. 8 p. (25 cm). Publication #972. Illustrations. (Inv. #35894) 12 $
TWINN, C.R. & PETERSON, D.G «Control of Black Flies in Canada» Ottawa, Canada Department of Agriculture, Science Service, Entomology Division, April 1955. 9 p. (24 cm). Publication 940. Illustrations. (Inv. #4109) 12 $
TWINN, C.R. & PETERSON, D.G «Control of Mosquitoes in Canada» Ottawa, Canada Department of Agriculture, Science Service, Entomology Division, June 1955. 14 p. (25 cm). Publication 936. Illustrations. Cover-title. (Inv. #4115) 15 $