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

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

A compendium of physiological and systematic botany - Sumner, George, 1793 -1855 (O. D. Cooke, 1820)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1893)

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, 1843)

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, 1919)

A conchological manual - Sowerby, G. B. (George Brettingham), 1812 -1884 (H. G. Bohn, 1852)

A conchological manual - Sowerby, G. B. (George Brettingham), 1812 -1884 (H.G. Bohn, 1852)

The conchologist - Warren, John. (Russell, Odiorne & Metcalf, 1834)

Conchyliologie fossile du bassin de l'Adour, ou, Description des coquilles fossiles qui ont été trouvées dans les terrains marins tertiaires, aux environs de Dax (département des Landes) : avec figures dessinées d'après nature - Société Linnéenne de Bordeaux. (Chez Th. Lafargue, imprimeur de la Société Linnéenne, 1837)

Congrès international d'entomologie : [proceedings] (Hayez, 1988)

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

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

A conspectus of the butterflies and moths found in Britain : with their English and systematic names, times of appearances, sizes, colours, their caterpillars, and various localities - Rennie, James, 1787 -1867 (W. Orr, 1832)

Contribution à la faune malacologique de l'Afrique occidentale - Société Linnéenne de Bordeaux. (Y. Cadoret, 1910)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1909)

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

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1915)

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

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1992)

Contributions la flore bryologique du Brsil - Brotherus, V. F. (Viktor Ferdinand), 1849 -1929 (ex Officina typographica Societatis litterari fennicae, 1981)

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

Contributions to the bryology and hepaticology of North America - Sullivant, William S. (William Starling), 1803 -1873 (Metcalf and company, 1846)

Contributions to the natural history of the United States of America - Agassiz, Louis, 1807 -1873 (Little, Brown and Company, 1862)

A course of practical instruction in botany - Bower, F. O. (Frederick Orpen), 1855 -1948 (Macmillan, 1885)

A course of practical instruction in botany - Bower, F. O. (Frederick Orpen), 1855 -1948 (Macmillan, 1891)

A critical revision of the genus Eucalyptus - Maiden, J. H. (Joseph Henry), 1859 -1925 (Gullick, 1909)

Cryptogamen - Schenck, Heinrich, 1860 -1927 (G. Fischer, 1902)

Cryptogamia adjuvantibus cl. W. Nylander et Em. Bescherelle edita - Fournier, Eugène, 1834 -1884 (Imprimerie Nationale, 1872)

Cryptogamic botany - Cardot, Jules, 1860 -1934 (The Smithsonian Institution, 1910)

Cryptogamic botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror in the years 1839-1843 under the command of Captain Sir James Clark Ross - Hooker, Joseph Dalton, 1817 -1911 (Printed and published by Reeve Brothers, 1845)

The cryptogamic flora of Ottawa - Macoun, John, 1831 -1920 (1898)

The cryptogamic flora of Ottawa - Macoun, John, 1831 -1920 (s.n, 1898)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1984)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1985)

Culpeper's English family physician : or medical herbal enlarged, with several hundred additional plants principally from Sir John Hill medicinally and astrologically arranged, after the manner of Culpeper : and, a new dispensatory from the ms. of the late Dr. Saunders - Culpeper, Nicholas, 1616 -1654 (W. Locke, 1792)

Curtii Sprengel Flora Halensis - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus Kmmelii, 1832)

Curtii Sprengel Florae Halensis tentamen novum - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus C.A. Kmmelii, 1806)

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

Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1909)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Doubleday, Page & Company, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1900)

D. Christiani Gottlieb Ludwig, anat. et chirurg. p.p.o. Collegii B.M.V. h.t. praepositi Acad. Reg. Boruss. Scient. et Soc. Florent. Bot. sodalis. Institutiones historico physicae regni vegetabilis praelectionibus academicis accommodatae - Ludwig, Christian Gottlieb, 1709 -1773 (Apud Ioh. Fridericum Gleditsch, 1757)

D. Ioannis Hedwigii fundamentum historiae naturalis muscorum frondosorum : concernens eorum flores, fructus, seminalem propagationem, adiecta generum dispositione methodica, iconibus illustratis - Hedwig, Johannes, 1730 -1799 (Apud Siegfried Lebrecht Crusium, 1782)

D. Johann Hedwig's, Professor der Botanik; Mitglied der römisch- kayserlichen Akademie der Naturforscher, der königlichen Akademie und Gesellschaft der Wissenschaften zu Stockholm und London; Ehrenmitglied der naturforschenden Freunde zu Berlin und Zürch, der medicinisch-chirurgischen daselbst und ökonomischen Gesellschaft zu Leipzig, Sammlung seiner zerstreuten Abhandlungen und Beobachtungen über botanisch-ökonomische Gegenstände - Hedwig, Johannes, 1730 -1799 (Bey Siegfried Lebrecht Crusius, 1793)

Danmarks og Holsteens flora - Buchs, C. L. ([Trykt paa boghandler C.L. Buchs Forlag, hos Sebastian Popp], 1796)

Darwinism to-day; a discussion of present-day scientific criticism of the Darwinian selection theories, together with a brief account of the principal other proposed auxiliary and alternative theories of species-forming - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (H. Holt and company, 1907)

Darwinism to-day a discussion of present-day scientific criticism of the Darwinian selection theories : together with a brief account of the principal other proposed auxillary and alternative theories of species-forming - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (G. Bell, 1907)

De insectorum systemate naturali : dissertatio inauguralis quam consensu facultatis medicae Halensis ut doctoris utriusque medicinae gradum rite adipiscatur die IV. Novembris MDCCCXXIX. publice defendet - Burmeister, Hermann, 1807 -1892 (Typis Grunertorum patris filiique, 1829)

Delectus opusculorum ad scientiam naturalem spectantium. Volumen primum - Ludwig, Christ. Frid. 1751 -1823 (Apud Siegfridum Lebrecht Crusium, 1790)