Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1895)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1899)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1901)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1902)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1903)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1904)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1906)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1908)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1909)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1910)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1913)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1914)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1916)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1918)

Ein ornithologischer Ausflug nach den Seen Saissan-nor und Marka-kul (in West-Sibirien) im Jahre 1909 - Poljakov, G. I. (1912)

Ornithologischer Beitrag zur Fauna Groenlands - Holboell, Carl. (E. Fleischer, 1854)

Ornithologischer Beitrag zur Fauna Groenlands - Paulsen, J. H., Dr., (Ernst Fleischer, 1846)

Ornithologisches Centralblatt (1880)

Ornithologisches Centralblatt (L.A. Kittler, 1876)

Ornithologisches Centralblatt (1882)

Ornithologisches Jahrbuch (V. Tschusi, 1890)

Ornithologisches Jahrbuch (V. Tschusi, 1892)

Ornithologisches Jahrbuch (V. Tschusi, 1893)

Ornithologisches Jahrbuch (V. Tschusi, 1896)

Ornithologisches Jahrbuch (V. Tschusi, 1898)

Ornithologisches Jahrbuch (V. Tschusi, 1901)

Ornithologisches Jahrbuch (V. Tschusi, 1902)

Ornithologisches Jahrbuch (V. Tschusi, 1911)

Ornithologisches Jahrbuch (V. Tschusi, 1913)

Ornithologisches Taschenbuch für Preussen oder; Beschreibung der in Preussen und den unliegenden Gegenden vorkommenden Vogel für Jager, Jagdliehaber und Naturforcher - Ebel, Carl L. (Rosbachschen Buchdruckerei, 1823)

Ornithologiske bidrag til Danmarks fauna - Collin, Jonas, 1840 -1905 (1877)

The ornithologist's guide to the islands of Orkney and Shetland - Hullmandel, Charles Joseph, 1789 -1850 (Printed by Richard Taylor, Red Lion Court, Fleet Street, and published by the author, 31, George Street, Hull, 1837)

The ornithologist's text-book : being reviews of ornithological works : with an appendix, containing discussions on various topics of interest - Wood, Neville. (John W. Parker, 1836)

Ornithology - Jardine, William, 1800 -1874 (W.H. Lizars, 1853)

Ornithology and oo¨logy of New England: containing full descriptions of the birds of New England, and adjoining states and provinces - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Nichols and Noyes, 1867)

Ornithology and oölogy of New England: containing full descriptions of the birds of New England, and adjoining states and provinces ... - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Nichols and Noyes, 1867)

The ornithology of Francis Willughby of Middleton in the county of Warwick, esq. ... : in three books : wherein all the birds hitherto known, being reduced into a method sutable [i.e. suitable] to their natures, are accurately described : the descriptions illustrated by most elegant figures, nearly resembling the live birds, engraven in LXXVIII copper plates - Ray, John, 1627 -1705 (Printed by A.C. for John Martyn, 1678)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H.W. Rokker, printer, 1889)

The ornithology of Illinois. Part I. Descriptive catalogue - Ridgway, Robert, 1850 -1929 (H. W. Rokker, Printer, 1889)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H. W. Rokker, printer, 1889)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H.W. Rokker, printer, 1913)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H.W. Rokker, printer, 1885)

Ornithology : the natural history of birds : third-book of natural history prepared for the use of schools and colleges - Comté, Achille, 1802 -1866 (Turner & Fisher, publishers, 1842)

Ornitologia italiana : opera postuma - Savi, Paul, 1798 -1871 (Successori Le Monnier, 1873)

Ornitologia siciliana : o sia catalogo ragionato degli uccelli che si trovano in Sicilia - Benoit, Luigi, 1804 -1890 (Giuseppe Fiumara, 1840)

Ornitologia toscana; ossia, Descrizione e storia degli uccelli che trovansi nella Toscana, con l'aggiunta della descrizioni di tutti gli altri proprj al rimanente d'Italia - Savi, Paul, 1798 -1871 (Dalla tipografia Nistri, 1827)

L'Ornitologo Ticinese ossia manuale descrittivo gli Uccelli di stazione e di passaggio nel Cantone Ticino, &c - Riva, Antonio. (1865)

[Orr's Circle of the sciences. A series of treatises on the principles of science, with their application to practical pursuits. Organic nature ... - Owen, Richard, 1804 -1892 (W.S. Orr, 1854)

Osteologia avium, or, A sketch of the osteology of birds - Brooks, Vincent, 1815? -1885 (Published by R. Hobson, Wellington, Salop, 1869)

Osteologia avium, or, A sketch of the osteology of birds - Brooks, Vincent, 1815? -1885 (Published by R. Hobson, Wellington, Salop, 1875)

Osteologia avium : or a sketch of the osteology of birds - Eyton, T. C. (Thomas Campbell), 1809 -1880 (Salop, R. Hobson)

Osteology of birds - Shufeldt, Robert Wilson 1850 -1934 (University of the State of New York, 1909)

Osteology of the waterfowl - Woolfenden, Glen Everett, 1930 - (1960)

Our birds in their haunts : a popular treatise on the birds of Eastern North America - Langille, J. H. (S. E. Cassino, 1884)

Our birds in their haunts: a popular treatise on the birds of eastern North America - Langille, J. H. (Orange Judd Co, 1892)

Our country's birds and how to know them. A guide to all the birds of Great Britain - Gordon, W. J. (Simpkin, Marshall, Hamilton, Kent, 1892)

Our domestic fowls - Martin, William Charles Linnæus, 1798 -1864 (Religious Tract Society, 1800)

Our feathered families: game and water birds; being an anecdotal and descriptive account of the feathered game and wild fowl, with their allied species, found in Great Britain, to which is added a practical chapter on doves and pigeons - Adams, H. G. (Henry Gardiner), 1811 or 12 -1881 (J. Hogg and Sons, 1863)

Our living resources : a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems - United States. National Biological Service. (U.S. Dept. of the Interior, National Biological Service, 1995)

Our living world; an artistic edition of the Rev. J. G. Wood's Natural history of animate creation - Wood, J. G. (John George), 1827 -1889 (S. Hess, 1885)

Our migrant birds and how to know them - Elms, E. F. M. (Thornton Butterworth, 1922)

Our northern and eastern birds : containing descriptions of the birds of the northern and eastern states and British provinces; together with a history of their habits, times of arrival and departure, their distribution, food, song, time of breeding, and a careful and accurate description of their nests and eggs - Samuels, Edward A. (Edward Augustus), 1836 -1908 (R. Worthington, 1883)

Our northern and eastern birds. Containing descriptions of the birds of the northern and eastern states and British provinces; together with a history of their habits, times of arrival and departure, their distribution, food, song, time of breeding, and a careful and accurate description of their nests and eggs ... - Samuels, Edward A. (Edward Augustus), 1836 -1908 (R. Worthington, 1883)

Our physical world; a source book of physical nature-study - Downing, Elliot Rowland, 1868 -1944 (The University of Chicago press, 1924)

Our seeds grow friends, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Duthie Seed Company, 1932)

Outlines of comparative anatomy and medical zoology - Allen, Harrison, 1841 -1897 (Lippincott, 1874)

Outlines of comparative anatomy and medical zoology - Allen, Harrison, 1841 -1897 (J.B. Lippincott & co, 1869)

Outlines of the natural history of Great Britain and Ireland, containing a systematic arrangement and concise description of all the animals, vegetables and fossiles which have hitherto been discovered in these kingdoms - Berkenhout, John, 1730 -1791 (Printed for P. Elmsly (Successor to Mr. Vaillant), 1769)

Oversigt af Christiania omegns ornithologiske fauna - Collett, Robert, 1842 -1913 (J. Dahl, 1864)

Pacific seabirds : a publication of the Pacific Seabird Group - Pacific Seabird Group. (The Group, 2001)

Pacific seabirds : a publication of the Pacific Seabird Group - Pacific Seabird Group. (The Group, 2006)

Une page d'histoire de la medecine : la thérapeutique sous les premiers Césars - Lépine, R. (Raphael), 1840 -1919 (F. Alcan, 1890)

Palaeontological memoirs and notes of H. Falconer, with a biographical sketch of the author. Vol. I, II - Falconer, Hugh, 1808 -1865 (1868)

Palaeontology - Palaeontological Association (Palaeontological Association, 1988)

Paleontological investigations at Mineral Hill Cave - Broughton, Jack M. (U.S. Department of the Interior, Bureau of Land Management, Elko Field Office, 2004)

Palestine : the physical geography and natural history of the Holy Land - Kitto, John, 1804 -1854 (Charles Knight, 1841)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1918)

Pamphlets on the lumber industry (1900)

Die Papageien - Finsch, O. (Otto), 1839 -1917 (Brill, 1867)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1868)

Papers and proceedings of the Royal Society of Van Diemen's Land - Royal Society of Tasmania. (Royal Society of Van Diemen's Land, 1849)

Papers and proceedings of the Royal Society of Van Diemen's Land - Royal Society of Tasmania. (Royal Society of Van Diemen's Land, 1855)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1916)

Part I. Palæontology - Hall, James, 1811 -1898 (Govt. print. off, 1877)