Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1964)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1965)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1966)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1968)

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Procès-verbaux - Société Linnéenne de Bordeaux. (1939)

Production et fixation des variétés dans les végétaux - Carrière, E.-A. (Elie-Abel), 1818 -1896 (Libraire agricole de la Maison Rustiane, 1865)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1949)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1951)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1961)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1962)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1963)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1964)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1965)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1966)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1967)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1969)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1970)

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1975)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1987)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1988)

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

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Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1978)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1979)

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, 1983)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1985)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1986)

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

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1988)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1989)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1990)

Rare camellias, fall 1942 - spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Magnolia Gardens and Nurseries, 1942)

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Redescription of Archaeoscelio Brues and description of three new genera of Scelionidae (Hymenoptera) : a challenge to the definition of the family - Masner, Lubomir (American Museum of Natural History, 2007)

Die Reiterschöpfungen der Phidiasischen Kunst - Diehl, August. (Vereinigung Wissenschaftlicher Verleger, 1921)

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Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1964)

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Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1938)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1940)

Retail price list : fall 1949 spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McIlhenny Nurseries, 1949)

Retail price list : fall 1950 - - spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McIlhenny Nurseries, 1950)

Retail price list : fall 1950, spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Overlook Nurseries, 1950)

Retail price list : fall 1951, spring1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Overlook Nurseries, 1951)

The Review of reviews - Fitchett, W. H. 1845 -1928 (Review of Reviews, 1912)

Revision of Melanocryptus Cameron (Ichneumonidae, Cryptinae), with description of seven new species - Santos, Bernardo F. (American Museum of Natural History, 2015)

Revision of Neomuscina Townsend - Snyder, Frederic Marhoff. (American Museum of Natural History, 1949)

Revision of neotropical Eurhin (Coleoptera, Curculionidae, Baridinae) - Vaurie, Patricia (American Museum of Natural History, 1982)

Revision of Stereocephalus (Coleoptera, Staphylinidae, Paederinae) - Herman, Lee H. Jr. (The American Museum of Natural History, 1979)

Revision of the cleptoparasitic bee tribe Protepeolini : including biologies and immature stages (Hymenoptera, Apoidea, Apidae) - Roig-Alsina, Arturo (American Museum of Natural History, 1994)

Revision of the genera Anchylorhynchus and Petalochilus of the Petalochilinae (Coleoptera, Curculionidae) - Bondar, Gregório Gregorievitch, 1881 -1959 (American Museum of Natural History, 1954)

A revision of the genus Borgmeiermyia Townsend (Diptera, Tachinidae) - Arnaud, Paul H. Jr. (Paul Henri), 1924 - (American Museum of Natural History, 1963)

Revision of the genus Ischyrus Lacordaire (1842) (Erotylidae: triplacinae) of North and Central America - Skelley, Paul E. (1994)

Revision of the genus Sphenophorus in South America (Coleoptera, Curculionidae, Rhynchophorinae) - Vaurie, Patricia (American Museum of Natural History, 1978)

Revision of the Neotropical Cholinae. The genera Amerhinus and Lobaspis (Coleoptera, Curculionidae, Cholinae) - Vaurie, Patricia (American Museum of Natural History, 1975)

A revision of the neotropical goblin spider genus Neoxyphinus Birabén, 1953 (Araneae, Oonopidae) - Santos, Adalberto J. (Adalberto José) (American Museum of Natural History, 2012)

A revision of the spider genus Caponina (Araneae, Caponiidae) - Platnick, Norman I. (American Museum of Natural History, 1994)

Revision of the world species of Spalangiopelta (Hymenoptera: Chalcidoidea: Pteromalidae: Ceinae) - Royal Ontario Museum. (Royal Ontario Museum, 1991)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1951)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1952)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1957)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1987)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1993)

Revue horticole (Librairie agricole de la maison rustique, 1844)

Revue horticole (Librairie agricole de la maison rustique, 1847)

Revue horticole (Librairie agricole de la maison rustique, 1852)

Revue horticole (Librairie agricole de la maison rustique, 1882)

Revue horticole (Librairie agricole de la maison rustique, 1884)

Revue horticole (Librairie agricole de la maison rustique, 1894)

Revue horticole (Librairie agricole de la maison rustique, 1907)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1895)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1938)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1954)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1971)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1974)