Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1901)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1904)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1905)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1939)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1963)

Report of the United States Commissioner of Fisheries for the fiscal year ... with appendixes - United States. Bureau of Fisheries. (G.P.O, 1921)

Annual report of the Commissioner of Fisheries to the Secretary of Commerce for the fiscal year ended - United States. Bureau of Fisheries. (G.P.O, 1921)

Annual report of the Commissioners of Fisheries, Game and Forests of the State of New York - New York (State). Commissioners of Fisheries, Game; Forests. (The Commission, 1897)

Annual report of the Director to the Board of Trustees for the year - Field Columbian Museum. (Field Columbian Museum, 1896)

Annual report of the Laguna Marine Laboratory - Laguna Marine Laboratory. (Dept. of Biology, Pomona College, 1917)

Annual report of the Minnesota State Horticultural Society - Minnesota State Horticultural Society. (The Society, 1883)

Annual report of the Nebraska State Horticultural Society - Nebraska State Horticultural Society. (The Society, 1896)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1902)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1903)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1905)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1906)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1908)

Annual report of the New York Zoological Society - New York Zoological Society. (The Society, 1908)

Annual report of the Ohio State Academy of Science - Ohio Academy of Science. (The Academy, 1901)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1900)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1908)

Annual report of the Secretary of the Board of Agriculture - Massachusetts. State Board of Agriculture. (The Board, 1853)

Annual report of the Secretary of the Massachusetts Board of Agriculture - Massachusetts. State Board of Agriculture. (W. White, 1864)

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan - Michigan State College. Agricultural Experiment Station. (The Board, 1862)

Annual report on the New York State Museum of Natural History - New York State Museum. (Regents of the University of the State of New York, 1871)

Annual report / Zoological Society of London - Zoological Society of London. (1878)

Annual reports - Academy of Natural Sciences of Philadelphia. (The Academy], 1917)

Annual reports and proceedings of the Belfast Naturalists' Field Club. New series - Belfast Naturalists' Field Club. (1907)

Apuntes para la fauna Puerto-Riqueña - Gundlach, Johannes Christoph, 1810 -1896 (s.n, 1878)

Apuntes para la zoología de Tabasco : vertebrados observados en el territorio de Mascuspana - Rovirosa, José N., 1849 -1901 (Imprenta de Ignacio Escalante, 1887)

The aquatic birds of Great Britain and Ireland - Patten, Charles Joseph, 1870 - (R. H. Porter, 1906)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1929)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1966)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2000)

Arboretum bulletin of the associates - University of Pennsylvania. Morris Arboretum. (The Morris Arboretum of the University of Pennylvania, 1936)

Arboretum bulletin of the associates - University of Pennsylvania. Morris Arboretum. (The Morris Arboretum of the University of Pennylvania, 1937)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1912)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1913)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1914)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1916)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1917)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1918)

Archiv für Naturgeschichte (Nicolai, 1847)

Archiv für Naturgeschichte (Nicolai, 1879)

Archiv für Naturgeschichte (Nicolai, 1880)

Archiv für Naturgeschichte (Nicolai, 1885)

Archiv für Naturgeschichte (Nicolai, 1890)

Archiv für Naturgeschichte (Nicolai, 1891)

Archiv für Naturgeschichte (Nicolai, 1892)

Archiv für Naturgeschichte (Nicolai, 1902)

Archiv für Naturgeschichte (Nicolai, 1904)

Archiv für Naturgeschichte (Nicolai, 1910)

Archiv für Naturgeschichte (Nicolai, 1911)

The Arctic prairies : a canoe-journey of 2,000 miles in search of the caribou : being the account of a voyage to the region north of Aylmer lake - Seton, Ernest Thompson, 1860 -1946 (Constable, 1912)

The Arctic prairies, a canoe-journey of 2,000 miles in search of the caribou; being the account of a voyage to the region north of Aylmer Lake - Seton, Ernest Thompson, 1860 -1946 (C. Scribner's Sons, 1911)

The Arctic prairies : a canoe-journey of 2,000 miles in search of the caribou; being the account of a voyage to the region north of Aylmer Lake - Seton, Ernest Thompson, 1860 -1946 (W. Briggs, 1911)

The Arctic prairies; a canoe-journey of 2,000 miles in search of the caribou; being the account of a voyage to the region north of Aylmer Lake - Seton, Ernest Thompson, 1860 -1946 (C. Scribner's sons, 1911)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1971)

Assessment of the Red Rock River subbasin and wetlands of the Centennial Valley - United States. Bureau of Land Management. (Montana Natural Heritage Program, 2009)

Atlante ornitologico : uccelli europei : con notizie d'indole generale e particolare - Arrigoni degli Oddi, Ettore, 1867 -1942 (U. Hoepli, 1902)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1884)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1885)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1886)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1887)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1888)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1889)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1890)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1891)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1892)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1893)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1894)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1895)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1896)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1897)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1898)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1899)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1900)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1876)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1901)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1902)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1903)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1904)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1905)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1906)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1907)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1908)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1909)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1910)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1915)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1911)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1912)