Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1848)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1907)

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, 1891)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1953)

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, 1916)

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 United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1903)

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.], 1905)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1913)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1917)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1934)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1944)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1952)

Proceedings of the XIIIth Congress of Arachnology : Geneva, 3-8 September 1995 - Mahnert, Volker. ([s.n.], 1996)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1862)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1898)

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.], 1861)

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

Progress report - Center for Medical, Agricultural; Veterinary Entomology (U.S.) (The Center, 1999)

Protozoa in biological research - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Columbia University Press, 1941)

Protozoa - Schwager, Conrad. (C.F. Winter, 1880)

Protozoa - Schwager, Conrad. (C.F. Winter, 1887)

Die Protozoen als Krankheitserreger des Menschen und der Hausthiere; für Ärzte, Thierärzte, und Zoologen - Schneidemühl, Georg, 1853 -1928 (Engelmann, 1898)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C. C. Thomas, 1954)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (C.C. Thomas, 1946)

Protozoology - Kudo, Richard R. (Richard Roksabro), 1886 -1967 (Thomas, 1939)

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

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

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1911)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1919)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1921)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1941)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1940)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1945)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1953)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1955)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1968)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1971)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1985)

The psychic life of insects - Howard, L. O. (Leland Ossian), 1857 -1950 (T.Fisher Unwin, 1922)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1966)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1854)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1855)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1863)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1871)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1875)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1879)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1853)

The Quarterly journal of science (J. Churchill and Sons, etc, 1875)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1884)

Rad - Jugoslavenska akademija znanosti i umjetnosti. Razred za prirodne nauke. (Jugoslavenska akademija znanosti i umjetnosti, 1872)

The rambles of a naturalist on the coasts of France, Spain, and Sicily - Otté, E. C. (Longman, Brown, Green, Longmans, & Roberts, 1857)

Real Sociedad Española de Historia Natural. Tomo extraordinario publicado con motivo del 50. aniversario de su fundación, 1921 - Sociedad Española de Historia Natural. (Museo Nacional de Ciencias Naturales, 1921)

Rearing cockroaches for experimental purposes - United States. Office of Experiment Stations. ([U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine], 1952)

Recent advances in entomology - Imms, A. D. (Augustus Daniel), 1880 -1949 (P. Blakiston's son & co., inc, 1937)

Recherches sur la conformation et le développement des derniers segments abdominaux chez les orthoptères - Chopard, L. (Lucien) 1885 -1971 (Impr. Oberthur, 1920)

Recueil de Voyages et de Mémoires publié de la Société de Geographie - Société de Géographie de Paris. (Société de Géographie, 1864)

Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1904)

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 in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1823)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1875)

Reise nach Ostindien und China - Ekeberg, Carl Gustav, 1716 -1784 (verlegts Johann Christian Koppe, 1765)

Reisen in der regentschaft Algier in den jahren 1836, 1837 und 1838 - Wagner, Moritz, 1813 -1887 (Leopold Voss, 1841)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1910)

Rendiconti - Reale Istituto lombardo di scienze e lettere. (Tip. di G. Bernardoni, 1878)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

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

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1895)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1897)

Report of observations of injurious insects and common farm pests, during the year ... : with methods of prevention and remedy - Ormerod, Eleanor A. (Eleanor Anne), 1828 -1901 (Simpkin, Marshall & Co, 1898)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1865)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1875)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1879)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1935)

Report of the Division of Entomology for the biennial period ending December 31, 1914 - Ehrhorn, Edward Macfarlane, 1862 - (1915)

Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1910)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1878)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1887)

Report of the Liverpool Microscopical Society - Liverpool Microscopical Society. (1887)

Report of the South London Entomological Society - South London Entomological Society. (1879)

Report of the State Entomologist of Connecticut for the year - Connecticut Agricultural Experiment Station. (1901)

Report of the United States Entomological Commission - United States Entomological Commission. (Govt. print. off, 1878)

Report of the United States Entomological Commission - United States Entomological Commission. (Govt. print. off, 1880)

Report of the United States Entomological Commission - United States Entomological Commission. (Govt. print. off, 1883)