Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1987)

Check-list of North American birds : the species of birds of North America from the Arctic through Panama, including the West Indies and Hawaiian Islands / prepared by the Committee on Classification and Nomenclature of the American Ornithologists' Union - American Ornithologists' Union. (American Ornithologists' Union, 1983)

A check list of the genera and species of Mallophaga - Clay, Theresa (BM(NH), 1952)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1910)

Checklist of birds listed in the CITES appendices (1995)

Checklist of birds listed in the CITES appendices and in EC Regulation 338/97 (2001)

Checklist of CITES Species (1998)

The chewing lice : world checklist and biological overview - Price, Roger D. (Illinois Natural History Survey, 2003)

A classification of living animals - Rothschild, Nathaniel Mayer Victor Rothschild, Baron, 1910 -1990 (Wiley, 1961)

Coloured figures of the birds of the British Islands / issued by Lord Lilford - Salvin, Osbert, 1835 -1898 (R. H. Porter, 1885)

Coloured figures of the eggs of British birds : with descriptive notices - Sharpe, Richard Bowdler, 1847 -1909 (Pawson and Brailsford, 1896)

Companion to Gould's Handbook; or, Synopsis of the birds of Australia. Containing nearly one-third of the whole, or about 220 examples, for the most part from the original drawings - Gould, John 1804 -1881 (Thorne & Greenwell, 1877)

A concise handbook of British birds - Swann, H. Kirke (Harry Kirke), 1871 -1926 (J. Wheldon, 1896)

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

Contribution à l'étude de la flore du Katanga - Wildeman, E. de (Emile), 1866 -1947 (D. Reynaert, 1921)

Contribution à l'étude de la flore du Katanga - De Wildeman, Emile 1866 -1947 (D. Reynaert, 1921)

Contribution à l'étude de la flore du Katanga - Wildeman, E. de (Emile), 1866 -1947 (Comité spécial du Katanga, 1921)

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 from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1905)

Contributions to the flora of Siam - Craib, William Grant, 1882 -1933 (Printed for the University, 1912)

Contributions to the flora of Siam. by William Grant Craib Dicotyledones - Craib, William Grant, 1882 -1933 (Printed for the University of Aberdeen, 1912)

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

Contributions to the history of Australasian ornithology - Nuttall Ornithological Club. (Nuttall Ornithological Club, 2012)

Contributions to the ornithology of Siberia - Seebohm, Henry, 1832 -1895 (s.n, 1880)

Controlled natural selection and value marketing - Mottram, James Cecil, 1880 - (Longmans, Green and Co, 1914)

The cuckoo's secret - Chance, Edgar Percival. (Sidgwick & Jackson, ltd, 1922)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1954)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1907)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1908)

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, 1913)

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, 1917)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1919)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1922)

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

The dates of publication of some of the zoological works of the late John Gould, F.R.S - Waterhouse, Frederick Herschel, 1845 -1919 (R. H. Porter, 1885)

De Angola á contra-costa; descripção de uma viagem atravez do continente africano ... - Capelo, H. (Hermenegildo), 1841 -1917 (Imprensa nacional, 1886)

de han lin ye ming ci - Beijing lin xue yuan. 北京林学院 (ke xue chu ban she, 1958)

Dean bibliography of fishes - American Museum of Natural History (American Museum of Natural History, 1971)

Department of the Interior, Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Print, 1902)

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

A descriptive catalogue of Japanese wild birds, useful and injurious, exhibited in the World's Columbian Exposition - Japan. Nōrinshō. Nōmukyoku. (Agricultural Bureau of the Department of Agriculture and Commerce, Japan, 1893)

Descriptive catalogue of the nests & eggs of birds found breeding in Australia and Tasmania - North, Alfred J. (Alfred John), 1855 -1917 (F. W. White, Printer, 1889)

Descriptive catalogue of the nests & eggs of birds found breeding in Australia and Tasmania - North, Alfred J. (Alfred John), 1855 -1917 (F.W. White, general printer, 1889)

Deutsche entomologische National-Bibliothek : [Rundschau im Gebiete der Insektenkunde mit besonderer Berücksichtigung der Literatur] - Deutsches Entomologisches National-Museum (Germany) (Deutsches Entomologischen National-Museum, 1910)

Deutsches Vogelbuch für Forst- und Landwirte : Jäger, Naturfreunde und Vogelliebhaber - Floericke, Kurt, 1869 -1934 (Kosmos, Gesellschaft der Naturfreunde, 1907)