Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1924)

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, 1928)

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 Staten Island Association of Arts and Sciences - Staten Island Association of Arts; Sciences. (The Association, 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1895)

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

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1907)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1921)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1924)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1938)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1866)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1865)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1868)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1870)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1874)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1877)

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.], 1882)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1885)

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.], 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1892)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1893)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1895)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1896)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1900)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1901)

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.], 1911)

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. (1895)

Procès-verbaux - Société Linnéenne de Bordeaux. (1901)

Procès-verbaux - Société Linnéenne de Bordeaux. (1923)

Procès-verbaux - Société Linnéenne de Bordeaux. (1929)

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

Procès-verbaux - Société Linnéenne de Bordeaux. (1959)

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)

Protective resemblance in the insecta - Sykes, Mark L. (Hinchliffe and Co. Ltd, 1904)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1875)

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

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1881)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1882)

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

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1889)

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1984)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1901)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1904)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1906)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1905)

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