The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1909)

Conr. Gesneri Tigurini medicinæ et philosophiae professoris in Schola Tigurina, Historiæ animalium liber II : qui est de quadrupedibus ouiparis - Gessner, Conrad, 1516 -1565 (Ex officina typographica Ioannis Wecheli : Impensis Roberti Cambieri, 1586)

Conradi Gesneri medici Tigurini Historiae animalium liber primus de quadrupedibus viuiparis : opus philosophis, medicis, grammaticis, philologis, poëtis, & omnibus rerum linguarumq́ue variarum studiosis, vtilissimum simul iucundissimumq́ue futurum - Gessner, Conrad, 1516 -1565 (In Bibliopolio Cambieriano, 1586)

Conradi Gesneri medici Tigurini Historiae animalium liber primus de quadrupedibus viuiparis : opus philosophis, medicis, grammaticis, philologis, poëtis, & omnibus rerum linguarumq́ue variarum studiosis, vtilissimum simul iucundissimumq́ue futurum - Gessner, Conrad, 1516 -1565 (In Bibliopolio Cambieriano, 1604)

Conradi Gesneri medici Tigurini Historiæ animalivm liber IV. : Qui est de piscium & aquatilium animantium natura. : Cum iconibus singulorum ad viuum expressis ferè omnibus DCCXII ... Continentur in hoc volumine, Gulielmi Rondeletii quoque, Medicinae Professoris Regij in Schola Monspeliensi, & Petri Bellonii Cenomani, medici hoc tempore Lutetiae eximij, de aquatlium singulis scripta. Paralipomena quaedam ad finem adiecta sunt - Gessner, Conrad, 1516 -1565 (In bibliopolio Andreae Cambieri, 1604)

Conspectus generum avium - Bonaparte, Charles-Lucien, 1803 -1857 (Apud E.J. Brill, 1850)

Conspectus generum avium - Bonaparte, Charles-Lucien, 1803 -1857 (Apud E.J. Brill, 1865)

Contribucion á la ornitologia cubana - Gundlach, Johannes Christoph, 1810 -1896 (Imp. "La Antilla" de N. Cacho-Negrete, 1876)

Contribution à l'étude de la pneumaticité chez les oiseaux - Bignon, Fanny. (s. n, 1889)

Contribution to the taxonomy of Oxytropis campestris (L.) DC. in northwestern North America - Elisens, Wayne J. (University of Alberta, Department of Botany, 1978)

Contributions à la faune ornithologique de l'Europe occidentale : recueil comprenant les espèces d'oiseaux que se reproduisent dans cette région ou qui s'y montrent régulièrement de passage, augmenté de la description des principales espèces exotiques les plus voisines des indigènes ou susceptibles d'ètre confondues avec elles, ainsi que l'énumération des races domestiques - Olphe-Galliard, Léon, 1825 -1893 (L. Lasserre, 1889)

Contributions à la faune ornithologique de l'Europe occidentale : recueil comprenant les espèces d'oiseaux que se reproduisent dans cette région ou qui s'y montrent régulièrement de passage, augmenté de la description des principales espèces exotiques les plus voisines des indigènes ou susceptibles d'ètre confondues avec elles, ainsi que l'énumération des races domestiques - Olphe-Galliard, Léon, 1825 -1893 (L. Lasserre, 1887)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1966)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1969)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1970)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1972)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1980)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1982)

Contributions of the Maclurian Lyceum to the arts and sciences - Peale, Titian Ramsay, 1799 -1885 (Sold for the Maclurian Lyceum by J. Dobson, 1827)

Contributions to avian palaeontology from the Pacific coast of North America - Miller, Loye, 1874 -1970 (University of California press, 1912)

Contributions to Canadian natural history - Bell, Robert, 1841 -1917 (Lovell, 1860)

Contributions to North American ethnology. Vol. I-VII, IX - Geographical; Geological Survey of the Rocky Mountain Region (U.S.) (Govt. Print. Off, 1890)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1849)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1850)

Contributions to the anatomy of birds - Shufeldt, Robert Wilson 1850 -1934 (1882)

Contributions to the history of Australasian ornithology - Nuttall Ornithological Club. (Nuttall Ornithological Club, 2008)

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 1995)

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 2000)

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 2010)

Contributions to the knowledge of the East African ornithology. Birds collected by the Swedish Mount Elgon Expedition 1920 - Granvik, Hugo, 1889 - (C. Blom, 1923)

Contributions to the natural history of Alaska. Results of investigations ... in the Yukon district and the Aleutian islands; conducted under the auspices of the Signal service, United States Army, extending from May, 1874, to August, 1881 ... - Turner, Lucien M. (Lucien McShan) (Govt. Print. Off, 1886)

Contributions to the natural history of Alaska results of investigations made chiefly in the Yukon district and the Aleutian Islands; conducted under the auspices of the Signal Service, United States Army, extending from May, 1874, to August, 1881 - Turner, Lucien M. (Lucien McShan) (G.P.O, 1886)

Contributions to the natural history of the Bermudas. Vol. I - Goode, G. Brown (George Brown), 1851 -1896 (Govt. print. off, 1884)

Contributions to the natural history of the United States of America - Agassiz, Louis, 1807 -1873 (Little, Brown and Company, 1857)

Contributions towards a fauna and flora of the county of Cork, read at the meeting of the British association held at Cork in the year 1843 - Cuvierian Society of Cork. (J. Van Voorst, 1845)

Cooperative Wildlife Program : phase I literature search and review project report - United States. Bureau of Land Management. ([Chevron U.S.A., Inc.?], 1984)

Coral Reefs of the World (1988)

A Cornish fauna : being a compendium of the natural history of the county : intended to form a companion to the collection in the Museum of the Royal Institution of Cornwall - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1838)

A Cornish Fauna : being a compendium of the Natural History of the County, intended to form a companion to the Collection in the Museum of the Royal Institution of Cornwall. Part 2, The Testaceous Mollusks, Appendix. Report on the Zoology of the County of Cornwall - Couch, Jonathan, 1789 -1870 (1841)

The correspondence of John Ray: consisting of selections from the philosophical letters published by Dr. Derham, and original letters of John Ray in the collection of the British Museum - Ray, John, 1627 -1705 (Printed for the Ray Society, 1848)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1848)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1857)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1869)

The Coues check list of North American birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1882)

Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1849)

Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1852)

Cruise of the "Alert" : four years in Patagonian, Polynesian, and Mascarene waters. (1878-82) - Coppinger, R. W. (Richard William) (Worthington, 1884)

Crustacea of Lake Titicaca - Faxon, Walter, 1848 -1920 (the Museum, 1876)

Cuvier's animal kingdom : arranged according to its organization - Cuvier, Georges, baron, 1769 -1832 (Orr and Smith, 1834)

Cuvier's Animal kingdom : arranged according to its organization, forming the basis for a natural history of animals, and an introduction to comparative anatomy : illustrated by three hundred engravings on wood - Blyth, Edward, 1810 -1873 (W.S. Orr and Co, 1840)

The cyclopaedia of anatomy and physiology - Owen, Richard, 1804 -1892 (Sherwood, Gilbert, & Piper, 1836)

The cyclopaedia of anatomy and physiology - Todd, Robert Bentley, 1809 -1860 (Longman, Brown, Green, Longmans, & Roberts, 1852)

The cyclopædia of India and of Eastern and Southern Asia : commercial, industrial and scientific, products of the mineral, vegetable, and animal kingdoms, useful arts and manufactures - Balfour, Edward, 1813 -1889 (B. Quaritch, 1885)

The cyclopædia; or, Universal dictionary of arts, sciences, and literature - Rees, Abraham, 1743 -1825 (Longman, Hurst, Rees, Orme & Brown [etc.], 1819)

The Daffodil journal - American Daffodil Society. (American Daffodil Society, 1973)

The Daffodil journal - American Daffodil Society. (American Daffodil Society, 1974)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1934)

Danmarks fugle, beskrevne - Kjaerbølling, N. (Niels), 1806 -1871 (Forfatterens Forlag, 1852)

Dansk forstzoologi - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (Nordiske forlag, 1896)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1909)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1911)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1912)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1914)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1916)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1923)

De animalibus - Aristotle. (Johannes de Colonia and Johannes Manthen)

De Helminthibus acanthocephalis; commentatio historico-anatomica. Adnexo recensu animalum, in Museo vindobonensi circa helminthes dissectorum, et singularum speciocrum harum in illis repertarum - Westrumb, August H. L. (1821)

De historia systematis avium nonnullia - Scheye, Israel. (1855)

The Death valley expedition. A biological survey of parts of California, Nevada, Arizona, and Utah. Part II - Stejneger, Leonhard, 1851 -1943 (Govt. print. off, 1893)

Delle uova e dei nidi degli uccelli : libro primo ... aggiunti in fine alcune osservazioni, con una dissertazione sopra varie spezie di Cavallette ... - Ginanni, Giuseppe, conte, 1692 -1753 (appresso Antonio Bartoli, 1737)

Demographic features of the recovering peregrine falcon population (Falco peregrinus anatum) in southern Alberta : 1980-1997 - Alberta. Alberta Environmental Protection. (Alberta Environmental Protection, Wildlife Management Division, Status and Surveys Branch, 1998)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1861)

Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Fischer, 1904)

Des Girolamo Cardano von Mailand, Buergers von Bologna : eigene Lebensbeschreibung - Cardano, Girolamo, 1501 -1576 (E. Diederichs, 1914)

Des hybrides à l'état sauvage. Règne animal. 1. volume. (Classe des oiseaux) - Suchetet, André, 1849 - (Impr. Le Bigot frères, 1896)

Des hybrides à l'état sauvage. Règne animal. 1er volume. (Classe des oiseaux) - Suchetet, André, 1849 - (Impr. Le Bigot frs, 1896)

Des Ritters Carl von Linné ... Vollständiges Natursystem : nach der zwölften lateinischen Ausgabe, und nach Anleitung des holländischen Houttuynischen Werks, mit einer ausführlichen Erklärung - Linné, Carl von, 1707 -1778 (bey Gabriel Nicolaus Raspe, 1773)

Description de l'Égypte, ou, Recueil des observations et des recherches qui ont été faites en Égypte pendant l'expédition de l'armée française - Fourier, Jean Baptiste Joseph, baron, 1768 -1830 (Imprimerie impériale, 1809)

Descriptions of the rapacious birds of Great Britain - MacGillivray, William 1796 -1852 (Maclachlan & Stewart; [etc., etc.], 1836)