Choice British ferns : their varieties and culture - Druery, Chas. T. (Charles Thomas), 1843 -1917 (L. Upcott Gill, 1888)

Classification of the Coleoptera of North America - LeConte, John L. (John Lawrence), 1825 -1883 (Smithsonian Institution, 1862)

Coleoptera : general introduction and Cicindelidae and Paussidae - Fowler, W. W. (William Weekes), 1849 -1923 (Taylor and Francis,, 1912)

Coleoptera Neerlandica : de schildvleugelige insecten van Nederland en het aangrenzend gebied - Everts, Edouard Jacques Guillaume, 1849 -1932 (Nijhoff, 1901)

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

The Coleoptera of Kansas and eastern New Mexico - LeConte, John L. (John Lawrence), 1825 -1883 (Smithsonian Institution, 1859)

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, 1890)

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)

Coleopteren : die Käfer Deutsch-Ost-Afrikas - Kolbe, H. J. (Hermann Julius), 1855 -1939 (D. Reimer, 1897)

Le Coléoptériste, ou, Répertoire des travaux sur les coléoptères de l'ancien monde (G. Chéron, 1890)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1951)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1953)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1955)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1969)

The Coleopterists' Bulletin - Coleopterists Society. (Coleopterists' Society, 1975)

Colin Clout's calendar. The record of a summer. April-October - Allen, Grant, 1848 -1899 (Funk & Wagnalls, 1883)

[Collected reprints, 1912-1919 - Cory, Charles B. (Charles Barney), 1857 -1921 (s.n, 1900)

Compendio della fauna italiana : descrizione elementare degli animali più parte originali - Camerano, Lorenzo, 1856 -1917 (Ditta G.B. Paravia e Comp, 1885)

Complete nursery & landscape service : 1956-1957 : propagators and growers of specimen shade, fruit and ornamental trees, evergreens, shrubs, lilacs, roses and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hinsdale Nurseries, Incorporated, 1956)

The complete writings of Thomas Say on the entomology of North America - Ord, George, 1781 -1866 (1883)

The complete writings of Thomas Say on the entomology of North America - LeConte, John L. (John Lawrence), 1825 -1883 (A. E. Foote, 1891)

The complete writings of Thomas Say on the entomology of North America - Ord, George, 1781 -1866 (Baillière brothers, 1859)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1878)

Comptes rendus des séances de la Société de biologie - Société de biologie (Paris, France) (Masson et Cie, 1920)

Comptes-rendus des séances de la Société entomologique de Belgique - Société entomologique de Belgique. (La Société, 1890)

Comptes-rendus des séances de la Société entomologique de Belgique - Société entomologique de Belgique. (La Société, 1885)

Comptes rendus des séances de la Société de Biologie et de ses filiales - Société de biologie (Paris, France) (Masson, 1857)

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, 1864)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1907)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1909)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1911)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1913)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1915)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1917)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1919)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1920)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1921)

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, 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)

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)