Des. The flight of the snow geese / Des & Jen Bartlett. - Toronto : Collins & Harvill Press, 1975. - 189 p. [plates] : ill. ; 25 cm. ISBN: 0002622335 (hbk.) LCCN: 75012752 Subjects--Topical Terms: Birds Migration.Snow goose. LC Class. No.: QL696.A52 / B37 1975b Dewey Class. No.: 598.41 / DES