Preble, Edward Alexander, 1871-1957. A biological investigation of the Athabaska-Mackenzie region. By Edward A. Preble ... - Washington, Govt. print. off., 1908. - 574 p. illus., xxv pl. (incl. front.: fold. map) 25 cm. - North American fauna no. 27 . Bibliography: p. 535-557. LCCN: agr08000949 Subjects--Topical Terms: Animals--Northwest Territories--Mackenzie.Zoology--Canada--Athabasca.Zoology--Canada--Mackenzie. LC Class. No.: QL155 / .A4 no. 27 National Agricultural Library Call No.: 1B52N no. 27