Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1886)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1887)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1889)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1904)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1906)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1916)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1861)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1881)

Proceedings of the Zoological Society of London : an index to the artists, 1848-1900 - Johnson, Bryan R., 1956 - (Garland, 1986)

Procès-verbaux - Société Linnéenne de Bordeaux. (1915)

Procès-verbaux - Société Linnéenne de Bordeaux. (1925)

Procès-verbaux - Société Linnéenne de Bordeaux. (1933)

Procès-verbaux - Société Linnéenne de Bordeaux. (1960)

Prodrome d'histoire naturelle du département du Var. 1ère ptie (Imprimerie de P. Garcin, 1853)

Prodromus systematis Lepidopterorum : versuch einer systematischen Anordnung der Schmetterlinge - Heinrich-Schäffer. (Zoologisch-Mineralogischer Verein, 1864, 1864)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1876)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1874)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1877)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1878)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1880)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1888)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1892)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1891)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1895)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1896)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1907)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1908)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1909)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1952)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1973)

De pyreneeënbloemen en hare bevruchting door insecten : eene bijdrage tot de bleomengeographie - MacLeod, Julius, 1857 -1919 (Doosselaere, 1891)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1980)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1984)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1983)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1987)

Die Raupen der gross-schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (Verlag der C. Hoffmann, 1893)

Raupen-Kalendar : nach den Futterpflanzen geordnet für das mitteleuropäische Faungebiet - Rapp, O. (O. Rapp, 1908)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1829)

Recherches zoologiques dans les provinces centrales de l'Inde et dans les régions occidentales de l'Himalaya : ouvrage illustré de 80 reproductions photographiques hors texte et de quatre cartes / Guy Babault - Babault, Guy. (Plon-Nourrit et cie, 1922)

Record of American entomology for the year 1868 ... - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Book Agency, 1869)

Record of my life-work in entomology - Osten-Sacken, C. R. (Carl Robert), 1828 -1906 (University Press; John Wilson and Son, 1903)

The Record of zoological literature (J. van Voorst, 1864)

The Record of zoological literature (J. van Voorst, 1865)

The Record of zoological literature (J. van Voorst, 1866)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1913)

Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1916)

Le règne animal distribué d'après son organisation : pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1817)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1864)

Reisen und Forschungen im Amur-Lande in den Jahren 1854-1856 - Schrenck, Leopold von, 1826 -1894 (Commissionäre der K. Akademie der Wissenschaften, 1859)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1918)

Repertorium entomologicum - Deutsche Entomologische Gesellschaft. (Friedländer & Sohn, 1924)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1942)

Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press, 1880)

Report / Haileybury Natural Science Society - Haileybury Natural Science Society. (1873)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1919)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1913)