1986 IUCN red list of threatened animals - IUCN Conservation Monitoring Centre. (International Union for Conservation of Nature and Natural Resources, 1986)

1988 IUCN red list of threatened animals (1988)

1994 IUCN red list of threatened animals (1994)

The A B C and X Y Z of bee culture : a cyclopedia of everything pertaining to the care of the honey-bee : bees, hives, honey, implements, honey plants, etc. ... - Root, A. I. (Amos Ives), 1839 -1923 (The A. I. Root company, 1913)

The ABC and XYZ of bee culture; a cyclopedia of everything pertaining to the care of the honeybee ... - Root, E. R. (Ernest Rob), 1862 -1953 (A. I. Root Co, 1923)

The ABC of bee culture; a cyclopaedia of every thing pertaining to the care of the honey-bee - Root, A. I. (Amos Ives), 1839 -1923 (A.I. Root Co, 1901)

Abstract of proceedings of the Delaware Valley Ornithological Club of Philadelphia - Delaware Valley Ornithological Club. (Delaware Valley Ornithological Club, 1890)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1888)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1903)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1916)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1917)

The accipiters : goshawk, cooper's hawk, sharp-shinned hawk - United States. Bureau of Land Management. (Denver, Colo, 1979)

An account of the birds and mammals of the San Jacinto area of southern California with remarks upon the behavior of geographic races on the margins of their habitats - Grinnell, Joseph, 1877 -1939 (University of California Press, 1913)

An account of the mammals and birds of the lower Colorado Valley : with especial reference to the distributional problems presented - University of California, Berkeley. (University of California Press, 1914)

Across lots - Lunt, Horace. (D. Lothrop company, 1888)

Addition to the avifauna of Dominica. Notes on species hitherto unrecorded with descriptions of three species and a list of all birds now known to occur on the island - Verrill, A. Hyatt (Alpheus Hyatt), 1871 -1954 (1910)

Agriculture of Maine. ... annual report of the Secretary of the Maine Board of Agriculture - Maine. Board of Agriculture. (1862)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1931)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1932)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1964)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1977)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1980)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1981)

Alberta birds, 1971 - 1980 - Alberta. Alberta Culture; Multiculturalism. (Natural History Section, Provincial Museum of Alberta, 1991)

Album 1 Panama, 1951 - Wetmore, Alexander, 1886 -1978 (1951)

Alewife Reservation & Alewife Brook master plan - Massachusetts. Metropolitan District Commission. (The Bioengineering Group, 2003)

The algae of Bermuda - Collins, Frank S. (Frank Shipley), 1848 -1920 ([American Academy of Arts and Sciences], 1917)

American bee journal (Dadant & Sons, 1899)

American birds studied and photographed from life - Finley, William L. (William Lovell), 1876 -1953 (C. Scribner's Sons, 1907)

American birds studied and photographed from life - Finley, William L. (William Lovell), 1876 -1953 (Scribner's sons, 1907)

American birds, studied and photographed from life - Finley, William L. (William Lovell), 1876 -1953 (C. Scribner's sons, 1907)

American conchologist : quarterly bulletin of the Conchologists of America, Inc - Conchologists of America. (Lipps-National Press, 2005)

American forestry - American Forestry Association. (American Forestry Association, 1917)

The American journal of science (J.D. & E.S. Dana, 1901)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1866)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1917)

The American midland naturalist - University of Notre Dame (University of Notre Dame, 1921)

The American Museum journal - American Museum of Natural History (American Museum of Natural History, 1904)

The American Museum journal - American Museum of Natural History (American Museum of Natural History, 1906)

The American Museum journal - American Museum of Natural History (American Museum of Natural History, 1912)

American Museum novitates - American Museum of Natural History (American Museum of Natural History, 1921)