00805cam a2200205 4500 55706394 TxAuBib 20010913120000.0 010913s1947||||||||||||||||||||||||eng|u 47005163 DLC DLC DLC TxAuBib Peterson, Roger Tory. A field guide to the birds, giving field marks of all species found east of the Rockies / text and illustrations by Roger Tory Peterson. 2d rev. and enl. ed. Boston : Houghton Mifflin Co., 1947. xxiv, 290 p. : illus., plates. (part col.) map. ; 19 cm. Bibliographical references included in preface. "Home reference suggestions": p. 273-274. 20010913. Birds North America.