Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1878)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1923)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1904)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1895)

Proceedings of the Cotteswold Naturalists' Field Club - Cotteswold Naturalists' Field Club. (1847)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1965)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1896)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1908)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1911)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1971)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1992)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1994)

Proceedings of the Folkestone Natural History & Microscopical Society - Folkestone Natural History & Microscopical Society. (1868)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1910)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1908)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1938)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1909)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1912)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1886)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1910)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1924)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1925)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1965)

Proceedings of the Natural History Association of Miramichi - Natural History Association of Miramichi. (The Association, 1899)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1911)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1906)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1862)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1927)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1899)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1901)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1926)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1932)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1897)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1904)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1863)

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

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1894)

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

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

Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1883)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1884)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1885)

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

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1900)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1903)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1914)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1926)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1957)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1958)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1976)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

Publications - Ontario Fisheries Research Laboratory. (University of Toronto Press, 1922)

Publications: studies from the Dept. of Anatomy - Cornell University. Medical College. (1910)

Quadro elementar da historia natural dos animaes - Cuvier, Georges, baron, 1769 -1832 (impresso por H. Bryer, 1815)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1975)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1859)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1864)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1885)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1887)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1889)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1890)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1948)

Quarterly journal of the Folkestone Natural History Society - Folkestone Natural History Society. (1868)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1906)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1908)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1913)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1914)

Radiation biology - Hollaender, Alexander, 1898 - (McGraw-Hill, 1954)

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, 1830)

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)

Reactions to light in Vanessa antiopa, with special reference to circus movements - Dolley, William Lee, 1887 - (1916)

Reading Naturalist. Reading - Reading Natural History Society.

Recent advances in microscopy; biological applications - MacBride, E. W. (Ernest William), 1866 -1940 (P. Blakiston's son & co., inc, 1931)

Recherches anatomiques et physiologiques sur les hémiptères : accompagnées de considérations relatives à l'histoire naturelle et à la classification de ces insectes - Dufour, Léon, 1780 -1865 (1830)

Recherches anatomiques et physiologiques sur les hémiptères : accompagnées de considérations relatives a l'histoire naturelle et a la classification des ces insectes - Dufour, Léon, 1780 -1865 (Bachelier, 1833)

Recherches physiologiques sur les insectes aquatiques - Portier, Paul, 1866 -1962 (A. Schulz, 1911)

Recherches sur les diptéres a larves entomobies - Pantel, José ([s.n.], 1909)