Originally intended as a description of the ornithological material brought back by the Russian polar expedition of 1900-1903, broadened to become "a general survey of the ornithology of the Eurasian portion of the holarctic region"."Literature and lists of the avifauna of the...Eurasian tundra": p.[357]-431.Mode of access: Internet
Cover title."The Historical & Scientific Society of Manitoba. Season 1888-9. Transaction; no. 39."El...
Errata slip inserted."A list of the birds of Norway, arranged to the rules of the B.O.U."--x p. at e...
Pts. 1-8, 1901-19 by Robert Ridgway; pt. 9-10, 1941-46 by Robert Ridgway, completed by Herbert Fried...
Contribution from the Museum of vertebrate zoology of the University of California.Cover title."Lite...
"First appeared as Natural history of the birds of eastern and central North America."Mode of access...
Map and measuring rule on lining-papers."Bibliographical appendix": p. 501-515.Mode of access: Inter...
Ornithological observations in the Subarctic zone of the Polar Ural ABSTRACT: The avifaunistic obser...
Largely a reprint of portions of the author's Key to North American birds; with "examples cited in i...
Map and measuring rule on lining-papers."Bibliographical appendix": p. 501-515.Mode of access: Inter...
Account of journeys made by author in 1899, 1901 and 1903, with special emphasis on birds.Includes i...
Originally issued in 1842 with title: Ornithology, the natural history of birds.Mode of access: Inte...
Paged continuously.pt I. Water birds; key to the families and species.--pt. II. Land birds; key to t...
"Contribution from the University of California Museum of Vertebrate Zoology."Cover title.Mode of ac...
Title also in Russian; text in Russian and German in parallel columns.v. 2. Sylviinae (1891)Mode of ...
An abridgment and revision of the author's Birds of Massachusetts and other New England states issue...
Cover title."The Historical & Scientific Society of Manitoba. Season 1888-9. Transaction; no. 39."El...
Errata slip inserted."A list of the birds of Norway, arranged to the rules of the B.O.U."--x p. at e...
Pts. 1-8, 1901-19 by Robert Ridgway; pt. 9-10, 1941-46 by Robert Ridgway, completed by Herbert Fried...
Contribution from the Museum of vertebrate zoology of the University of California.Cover title."Lite...
"First appeared as Natural history of the birds of eastern and central North America."Mode of access...
Map and measuring rule on lining-papers."Bibliographical appendix": p. 501-515.Mode of access: Inter...
Ornithological observations in the Subarctic zone of the Polar Ural ABSTRACT: The avifaunistic obser...
Largely a reprint of portions of the author's Key to North American birds; with "examples cited in i...
Map and measuring rule on lining-papers."Bibliographical appendix": p. 501-515.Mode of access: Inter...
Account of journeys made by author in 1899, 1901 and 1903, with special emphasis on birds.Includes i...
Originally issued in 1842 with title: Ornithology, the natural history of birds.Mode of access: Inte...
Paged continuously.pt I. Water birds; key to the families and species.--pt. II. Land birds; key to t...
"Contribution from the University of California Museum of Vertebrate Zoology."Cover title.Mode of ac...
Title also in Russian; text in Russian and German in parallel columns.v. 2. Sylviinae (1891)Mode of ...
An abridgment and revision of the author's Birds of Massachusetts and other New England states issue...
Cover title."The Historical & Scientific Society of Manitoba. Season 1888-9. Transaction; no. 39."El...
Errata slip inserted."A list of the birds of Norway, arranged to the rules of the B.O.U."--x p. at e...
Pts. 1-8, 1901-19 by Robert Ridgway; pt. 9-10, 1941-46 by Robert Ridgway, completed by Herbert Fried...
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