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Coffee : a monograph of the economic species of the genus Coffea L - Cheney, Ralph Holt, 1896 - (New York University Press, 1925)

Coleoptera Neerlandica : de schildvleugelige insecten van Nederland en het aangrenzend gebied - Everts, Edouard Jacques Guillaume, 1849 -1932 (Nijhoff, 1922)

The Coleoptera of the British islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc - Donisthorpe, Horace St. John Kelly (L. Reeve & co, 1891)

[A collection of various papers; mostly on birds of Greenland, Denmark and the North Atlantic Ocean, 1892-1902.] - Helms, O. (Otto), 1866 -1942 (1892)

Colonsay, one of the Hebrides, its plants: their local names and usses–legends, ruins, and place-names–Gaelic names of birds, fishes, etc.–climate, geological formation, etc - McNeill, Murdoch. (D. Douglas, 1910)

Commercial gardening, a practical & scientific treatise for market gardeners, market growers, fruit, flower & vegetable growers, nurserymen, etc - Weathers, John, 1867 -1928 (The Gresham publishing company, 1913)

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Common weeds - Standley, Paul Carpenter, 1884 -1963 (Field Museum of Natural History, 1934)

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A compendium of general botany - Schneider, Albert, 1863 -1928 (Wiley, 1896)

A compendium of the Cybele britannica; or British plants in their geographical relations - Watson, Hewett Cottrell, 1804 -1881 (Longmans, Green, Reader & Dyer, 1870)

The complete garden - Cooper, Gordon D. (Doubleday, Page, 1921)

The complete garden - Cooper, Gordon D. (Garden City Publishing co, 1921)

The complete grazier and farmers' and cattlebreeders' assistant ... - Youatt, William, 1776 -1847 (C. Lockwood and son, 1908)

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Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2004)

Compositae newsletter - Naturhistoriska riksmuseet (Sweden). Dept. of Phanerogamic Botany. (Dept. of Botany, Ohio State University, 2005)

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Compositae of southern California - Hall, Harvey Monroe, 1874 -1932 (The University Press, 1907)

Compte rendu du Congrès international d'essais de semences. Discussions at the International Seed Testing Conference. Verhandlungen der Internationalen Konferenz für Samenprüfung à/in Copenhague (Danemark), 6.- 10. VI. 1921 - Dorph-Petersen, Knud, 1872 - (1922)

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Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1902)

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Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1970)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1973)

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Congrès international d'entomologie : [proceedings] (Hayez, 1952)

Congrès international d'entomologie : [proceedings] (Hayez, 1910)

Congrès international d'entomologie : [proceedings] (Hayez, 1972)

Congrès international d'entomologie : [proceedings] (Hayez, 1992)

Congrès international d'entomologie : [proceedings] (Hayez, 2016)

Conservation assessment of greater sage-grouse and sagebrush habitats - U.S. Fish; Wildlife Service (Western Association of Fish and Wildlife Agencies, 2004)

Conservation assessment of sensitive moonworts (Ophioglossaceae, Botrychium subgenus Botrychium) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1997)

Conservation of plant genes II : utilization of ancient and modern DNA - Adams, Robert P. (Missouri Botanical Garden, 1994)

Conservation status of Carex parryana ssp. idahoa in Montana - United States. Bureau of Land Management. Billings District Office. (Montana Natural Heritage Program, 1998)

Conservation status of Lomatium attenuatum Evert (Apiaceae) in Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1998)

Conservation status of Spiranthes diluvialis Sheviak in Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1998)

Consolidated stand tables and biodiversity data base for Southwestern forest habitat types - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1990)

Conspectul florei României. Plantele vasculare indigene si cele naturalizate ce se gasesc pe teritoriul României, considerate subt punctul de vedere sistematic si geografic - Grecescu, Dimitrie, 1841 -1910 (Tip. Dreptatea, 1898)

Conspectus florae groenlandicae - Lange, Joh., 1818 -1898 (I commission hos C.A. Reitzel, 1887)

Conspectus florae Smolandicae / scripsit Nicolaus Johannes Scheutz - Scheutz, Nils Johan Wilhelm, 1836 -1889 (Typis Acad. reg. typ, 1857)

Contribution a l'étude comparée de la flore du Massif Scandinave et du Massif Central de la France - Carlson, C. S. (Imp. G. Bonnet, 1905)

A contribution to the flora of Derbyshire being an account of the flowering plants, ferns, and Characeae found in the county - Painter, W. H. (George Bell, 1889)

Contributions à la flore de la Chine, comprenant les algues marines récoltées en Chine et les florules de Shang-hai, Tché-foû et Tien-tsin - Debeaux, Jean Odon, 1826 -1910 (F. Savy, 1879)

Contributions from the Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)