Clavis agrostographiae antiquioris. Uebersicht des Zustandes der Agrostographie bis auf Linné; und Versuch einer Reduction der alten Synonyme der Gräser auf die heutigen Trivialnahmen - Trinius, Carl Bernhard, 1778 -1844 (In der Biedermann'schen Hofbuchhandlung, 1822)

Clavis Anglíca linguæ botanicæ : or, a Botanical Lexicon in which the terms of botany, particularly those occurring in the works of Linnaeus, and other writers, areapplied, derived, explained, contrasted, and exemplified - Berkenhout, John, 1730 -1791 (Becket, de Houdt, Hawes, Clark & and Collins, 1764)

The Clydesdale flora: a description of the flowering plants and ferns of the Clyde district, arranged according to the natural orders, with a glossary of terms and diagrams - Hennedy, Roger. (H. Hopkins, 1878)

The Coccidae - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab company, 1921)

The Coccidae of Kansas. A series of articles dealing with Coccidae found in Kansas, their host plants, and bibliography - Hunter, Samuel John, 1866 -1946 (1898)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab, 1921)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab Company, 1921)

Collectanea for a Flora of Moray; or, a list of the phaenogamous plants and ferns hitherto found within the Province - Gordon, George, 1801 -1893 (Alex. Russell, 1839)

Collection Académique. partie etrangère - Société Royale des Sciences de Turin (Société Royale des Sciences de Turin, 1770)

Collection of pamphlets on mollusks (1881)

Commentaires de M.P. André Matthiolus, medecin senois, sur les six liures de Pedacius Dioscoride Anazarbeen de la matiere medecinale : traduits de latin en françois par M. Antoine du Pinet, & de nouueau accreus d'vn bon nombre de figures, & reueus & augmentez en plus de mille lieux sur la derniere edition de l'autheur : auec plusieurs tables fort amples, les vnes medicinales, les autres des mots & matieres traitees esdits commentaires : le tout au prouffit & commodité des amateurs de la medicine - Mattioli, Pietro Andrea, 1501 -1577 (A l'Escu de Milan, par la vefue de feu Gabriel Cotier, 1572)

Commentari dell'Ateneo di Brescia - Ateneo di Brescia. (1836)

Commentarii de rebus in scientia naturali et medicina gestis - Johann Friedrich Gleditschens Buchhandlung, (Apud Ioh. Fridericum Gleditsch, 1752)

The commercial products of India : being an abridgment of The dictionary of the economic products of India - Watt, George, Sir, 1851 -1930 (J. Murray, 1908)

Communication from the Governor, transmitting several reports relative to the Geological Survey of the State [1836-1840 - New York (State). Natural History Survey. (1839)

Comparative anatomy of the vegetative organs of the phanerogams and ferns - Bary, A. de (Anton), 1831 -1888 (Clarendon Press, 1884)

Compendio della flora italiana; ossia, Manuale per la determinazione delle piante che trovansi selvatiche od inselvatichite nell'Italia e nelle isole adiacenti - Arcangeli, G. (Giovanni), 1840 -1921 (E. Loescher, 1882)

Compendium florae Belgicae - Courtois, Richard Joseph, 1806 -1835 (Apud P. J. Collardin, 1828)

Compendium florae Germaniae. Sectio I, Plantae phanerogamicae seu vasculosae - Bluff, Matthias Joseph, 1805 -1837 (J.L. Schrag, 1836)

Compendium florae Germaniae - Bluff, Matthias Joseph, 1805 -1837 (Sumptibus I.L. Schrag, 1825)

Compendium of plant disease and decay fungi in Canada, 1960-1980 - Ginns, J. H. (James Herbert) (Research Branch, Agriculture Canada, 1986)

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

A compendium of the English flora - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown, Green & Longman, 1836)

A compendium of the flora of the northern and middle states, containing generic and specific descriptions of all the plants, exclusive of the cryptogamia, hitherto found in the United States, north of the Potomac - Torrey, John, 1796 -1873 (S. B. Collins, 1826)

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, 1880)

Conchologia iconica, or, Illustrations of the shells of molluscous animals - Sowerby, G. B. (George Brettingham), 1812 -1884 (Reeve, Brothers, 1843)

Conchological miscellany (1834)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1986)

Congrès Scientifiques de France (1839)

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, 1551)

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 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)

Der Conservator oder praktische Anleitung, Naturalien aller Reiche zu sammeln, zu conserviren und für wissenschaftliche Zwecke, wie auch zum Vergnügen aufzustellen : Ein Hilfsbuch zum Selbstunterricht für Lehrer, Landprediger, Hauslehrer und alle Diejenigen, welche Naturaliensammlungen zweckmässig, ohne unnöthigen Zeit- und Kosten-Aufwand, anlegen wollen : nach eigenen Erfahrungen bearbeitet und mit Tabellen zur leichteren Bestimmung der Mineralien und Pflanzen [etc.] versehen - Streubel, A. V. (August Vollrath) (Verlag von Ferdinand Rubach, 1845)

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 floræ Africæ, ou Énumération des plantes d'Afrique - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état; [etc., etc.], 1895)

Conspectus florae Europaeae. Supplementum I - Nyman, Carl Fredrik, 1820 -1893 (Typis Officinae Bohlinianae, 1883)

Conspectus florae europaeae :seu Enumeratio methodica plantarum phanerogamarum Europae indigenarum, indicatio distributionis geographicae singularum etc - Nyman, Carl Fredrik, 1820 -1893 (typis officinae Bohlinianae, 1878)

Conspectus florae Graecae - Halácsy, Eugen v., 1842 -1913 (Sumptibus Guilelmi Engelmann, 1904)

Conspectus regni vegetabilis per gradus naturales evoluti. Tentamen - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (apud C. Cnobloch, 1828)

Continuatio epistolarum, datarum ad longè celeberrimam Regiam Societatem Londinensem - Leeuwenhoek, Antoni van, 1632 -1723 (Apud Cornelium Boutestein, 1696)

Contribution à la flore de la Guadeloupe - Mazé, H. 1818 -1892 (Imprimerie du gouvernement, 1892)

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 from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. ([s.n, 1934)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1911)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1912)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1892)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1908)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1910)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1913)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1914)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1915)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1920)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1931)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1943)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1957)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2003)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Contributions to the botany of Vermont - Middlebury College. (Botanical Dept., University of Vermont, 1898)

Contributions to the flora and fauna of Repton and neighbourhood - Garneys, William. (Bemrose, 1881)

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 western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1912)

Contributions towards a Cybele hibernica, being outlines of the geographical distribution of plants in Ireland - Moore, David, 1807 -1879 (Hodges, Smith, 1872)

Contributions towards a Cybele hibernica, being outlines of the geographical distribution of plants in Ireland - Moore, David, 1807 -1879 (E. Ponsonby, 1898)

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)

Cook's descriptive catalogue of plants, trees, shrubs, vines, climbers, etc., cultivated and for sale at the Walnut Hills Nurseries and Exotic Gardens, Madison Road, adjoining City Limits, Cincinnati, O - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([J. S. Cook, 1868)

Corpus florarum provincialium Sueciae. I. Floram scanicam - Fries, Elias, 1794 -1878 (Typis Palmblad, Sebell & Co, 1835)

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)

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 Naturwissenschaftlichen Vereins (früher Zoologisch-mineralogischer Verein) in Regensburg - Naturwissenschaftlicher Verein Regensburg. (Naturwissenschaftlichen Verein, 1885)

Cours élémentaire de botanique et flore du Canada à l'usage des maisons d'éducation - Moyen, J. (Jean), 1828 -1899 (Geo. E. Desbarats, 1871)

Cours élémentaire de botanique et flore du Canada à l'usage des maisons d'éducation - Moyen, J. (Jean), 1828 -1899 (G.E. Desbarats, 1871)

Crop production - United States. Bureau of Agricultural Economics. (Crop Reporting Board, Statistical Reporting Service, U.S. Dept. of Agriculture, 1945)

Crŭÿde boeck : in den welcken die geheele historie dat es tgheslacht, tfatsoen, nae[m], natuere, cracht ende werckinghe, van den cruyden, niet alleen hier te lande wassende, maer oock van de[n] andere[n] Vremde[n] in der medecynen oorboorlijck, met grooter neersticheyt begrepen ende verclaert es, met der seluer cruyden natuerlijck naer dat leuen conterfeytsel daer by ghestelt - Dodoens, Rembert, 1517 -1585 (In die Cammerstrate inden Arent seghen Scarabaeum by my Jan vander Loe, 1563)

Cruydt-boeck Remberti Dodonaei volghens sijne laetste verbeteringhe : met biivoeghsels achter elck capitel, uyt verscheyden cruydt-beschrijvers. Item, in 't laetste een beschrijvinghe vande Indiaensche ghewassen, meest ghetrocken uyt de schriften van Carolus Clusius. Nu wederom van nieuws oversien ende verbetert - Clusius, Carolus, 1526 -1609 (Inde Plantijnsche Druckerije van Balthasar Moretus, 1644)