Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1928)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1944)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1954)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1959)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1964)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1970)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1976)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1981)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1988)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1921)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1911)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1914)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1945)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1955)

Proceedings of the Entomological Society of Nova Scotia - Entomological Society of Nova Scotia. (Entomological Society of Nova Scotia, 1915)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1974)

Proceedings of the Entomological Society of Ontario - Entomological Society of Ontario. (Entomological Society of Ontario, 1979)

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

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1908)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1910)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1922)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1951)

Proceedings of the National Academy of Sciences of the United States of America - National Academy of Sciences (U.S.) (National Academy of Sciences [etc.], 1922)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1862)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1865)

Proceedings of the Natural history society of Dublin for the session ... - Natural History Society of Dublin. (Printed for the Society, 1869)

Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1887)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1916)

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, 1906)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1910)

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.], 1922)

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.], 1931)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1932)

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

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.], 1893)

Procès-verbaux - Société Linnéenne de Bordeaux. (1895)

Procès-verbaux - Société Linnéenne de Bordeaux. (1905)

Procès-verbaux - Société Linnéenne de Bordeaux. (1947)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1879)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1918)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1974)

Publicaciones del Departamento de Zoología - Universidad de Barcelona. Departamento de Zoología. (Ediciones de la Universidad de Barcelona, 1980)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1968)

Rare, sensitive, and threatened species of the greater Yellowstone ecosystem - Clark, Tim W. (Northern Rockies Conservation Cooperative, 1989)

Reading Naturalist. Reading - Reading Natural History Society.

Reading Naturalist. Reading - Reading Natural History Society. (2013)

Record of Proceedings / Cleveland Naturalists' Field Club - Cleveland Naturalists' Field Club. (1899)

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

The Record of zoological literature (J. van Voorst, 1867)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2018)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1965)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1956)

Report and transactions - Guernsey Society of Natural Science; Local Research. (The Society, 1890-1922, 1905)

Report and Transactions / East Kent Scientific and Natural History Society - East Kent Scientific; Natural History Society. (1901)

Report of Burton-on-Trent Natural History and Archaeological Society - Burton-on-Trent Natural History; Archaeological Society. (1884)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1924)

Report of the Proceedings of the Society / Cheltenham College Natural History Society - Cheltenham College Natural History Society. (1889)

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

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1902)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1904)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1907)

Report of the United States Geological Survey of the territories - Lesquereux, Léo, 1806 -1889 (Govt. Print. Off, 1873)

Report upon cotton insects, prepared under the direction of the commissioner of agriculture in pursuance of an act of Congress approved June 19, 1878 - Comstock, John Henry, 1849 -1931 (Gov't. print. off, 1879)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1918)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2002)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1895)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1888)

Rivista coleotterologica italiana (Salsomaggiore, 1909)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1894)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1896)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1890)

Rough notes and memoranda relating to the natural history of the Bermudas - Hurdis, John L. (R.H. Porter, 1897)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1897)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1850)

The savage world : a complete natural history of the world's creatures, fishes, reptiles, insects, birds and mammals : founded upon the theory of the progression of species, and in accordance with genetic revelation, scriptural truths, and the harmony of nature ... - Buel, James W. (James William), 1849 -1920 (Published and manufactured by Historical Publishing Company, 1891)