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)

Collectanea ad omnem rem botanicam spectantia. Partim e propriis, partim ex amicorum schedis manuscriptis - Römer, J. J. (Johann Jacob), 1763 -1819 (Apud H. Gessnerum, 1809)

Collectanea botanica, or, Figures and botanical illustrations of rare and curious exotic plants - Lindley, John, 1799 -1865 (Printed by Richard and Arthur Taylor, Shoe-Lane, sold by J. and A. Arch, 1821)

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)

Les collections botaniques du Musée royal de physique et d'histoire naturelle de Florence au printemps de MDCCCLXXIV - Parlatore, Filippo, 1816 -1877 (Impr. successeurs Le Monnier, 1874)

The colours of flowers as illustrated in British flora - Allen, Grant, 1848 -1899 (Macmillan, 1882)

The colours of flowers as illustrated in the British flora - Allen, Grant, 1848 -1899 (Macmillan, 1882)

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)

Common weeds of the farm & garden - Percival, John, 1863 -1949 (Frederick A. Stokes, 1910)

The commonly occuring wild plants of Canada, and more especially of the province of Ontario a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1889)

The commonly occuring wild plants of Canada a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1887)

The commonly occurring wild plants of Canada. A flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage & Co, 1897)

The commonly occurring wild plants of Canada : a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (Gage, 1897)

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

A companion to Mr. Bullock's London Museum and Pantherion : containing a brief description of upwards of fifteen thousand natural and foreign curiosities, antiquities, and productions of the fine arts, collected during seventeen years of arduous research, and at an expense of thirty thousand pounds : and now open for public inspection in the Egyptian Temple, just erected for its reception, in Piccadilly, London, opposite the end of Bond-Street - Howitt, Samuel, 1765? -1822 (Printed for the proprietor, 1812)

A companion to Mr. Bullock's Museum. Containing a brief description of upwards of seven thousand natural and foreign curiosities, antiquities, and productions of the fine arts, collected principally at Liverpool, during several years of arduous research, and at an expence of upwards of twenty-two thousand pounds, and now open for public inspection, in the Great Room, no. 22, Piccadilly, London ... - Liverpool Museum (Liverpool, England) (Printed for the proprietor, by H. Reynell, 1810)

A companion to the London Museum, and Pantherion : containing a brief description of upwards of fifteen thousand natural and foreign curiosities, antiquities, and productions of the fine arts : now open for public inspection in the Egyptian Temple, Piccadilly, London - Bullock, W. (William), 1773? -1849 (Printed for the proprietor by Whittingham and Rowland, 1816)

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)

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)

The complete aquarium book; the care and breeding of goldfish and tropical fishes - Innes, William T. (William Thornton), 1874 -1969 (Halcyon house, 1936)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1891)

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, 1866)

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, 1892)

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, 1896)

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, 1897)

Concordance des trois systêmes de Tournefort, Linnaeus et Jussieu - Lefébure, Louis-François, 1754 -1839 (Desoer, 1816)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1968)

Congrès Scientifiques de France (1836)

Congrès Scientifiques de France (1842)

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, 1602)

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)

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 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, 1901)

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

Conspectus litteraturæ botanicæ in Suecia ab antiquissimis temporibus usque ad finem anni 1831, notis bibliographicis et biographis auctorum adjectis - Wikström, Joh. Em. (Johann Emanuel), 1789 -1856 (P. A. Norstedt, 1831)

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

Conspectus regni vegetabilis : secundum characteres morphologicos praesertim carpicos in classes ordines et familias digesti, adjectis exemplis nominibusque plantarum usui medico technico et oeconomico inservientium = Uebersicht der Classen, Ordnungen und Familien des Gewächsreiches nach morphologischen Grundsätzen, unter besonderer Rücksicht auf den Fruchtbau, mit Angabe von Beispielen und von den in der Medicin, Technik und Oekonomie besonderswichtigen Pflanzen - Martius, Karl Friedrich Philipp von, 1794 -1868 (Joh. Leonhard Schrag, 1835)

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)

A contribution to the flora of the Lake Superior region - Cheney, Lellen Sterling, 1858 -1938 (s.n, 1893)

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

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1935)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1947)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1954)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1971)

Contributions from the Herbarium of Columbia College - Columbia College (New York, N.Y.). Herbarium. (Columbia College, 1886)

Contributions from the herbarium of the Geological Survey of Canada - Geological Survey of Canada (s.n.], 1894)

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1915)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1891)

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, 1906)

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, 1925)

Contributions to Canadian botany - Macoun, James Melville, 1862 -1920 (s.n, 1895)

Contributions to Canadian botany - Macoun, James Melville, 1862 -1920 ([s. n.], 1894)

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

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 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)

Coquilles fluviatiles et terrestres observées dans le Département de l'Aisne et aux environs de Paris : prodrome - Poiret, Jean-Louis-Marie, 1755 -1834 (Chez l'auteur, 1801)

Corallina, or, A classical arrangement of flexible coralline polypidoms - Lamouroux, M. (Jean Vincent Félix), 1779 -1825 (Printed by A. J. Valpy ... Sold by Sherwood and Co, 1824)

Corallina; or, a classical arrangement of flexible coralline polypidoms - Lamouroux, M. (Jean Vincent Félix), 1779 -1825 (Sherwood and co.; [etc., etc.], 1824)

Corals and coral islands - Dana, James Dwight, 1813 -1895 (Dodd & Mead, 1874)

Corals and coral islands - Dana, James Dwight, 1813 -1895 (S. Low, Marston, Low and Searle, 1875)

Corals and coral islands - Dana, James Dwight, 1813 -1895 (S. Low, Marston, Low and Searle, 1872)

Corals and coral islands - Dana, James Dwight, 1813 -1895 (Dodd, Mead, and company, 1890)

Corals and coral islands / by James D. Dana - Dana, James Dwight, 1813 -1895 (Sampson Low, Marston, Low and Searle, 1875)

Corals and coral islands - Dana, James Dwight, 1813 -1895 (Dodd & Mead, 1872)

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, intented to form a companion to the collection in the Museum of the Royal Institution of Cornwall Part 1 Containing the vertebrate, crustacean, and a portion of the radiate animals - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1838)

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 Cottage gardener (W.S. Orr, 1849)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1857)

The Cottage gardeners' dictionary : describing the plants, fruits, and vegetables desirable for the garden, and explaining the terms and operations employed in their cultivation ; with an alphabetical list of synonymes - Johnson, George William, 1802 -1886 (Henry G. Bohn, 1863)

The cottage gardeners' dictionary. Describing the plants, fruits, and vegetables desirable for the garden, and explaining the terms and operations employed in their cultivation - Johnson, George William, 1802 -1886 (W. S. Orr, 1852)

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)

The course of evolution by differentiation or divergent mutation rather than by selection - Willis, J. C. (John Christopher), 1868 -1958 (The University press, 1940)

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)