Notes on Bolivian mammals. 5, Taxonomy and distribution of Bolomys (Muridae, Rodentia) - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1989)

Notes on Bolivian mammals. 3, A revised diagnosis of Andalgalomys (Rodentia, Muridae) and the description of a new subspecies - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1987)

Notes on Bolivian mammals. 4, The genus Ctenomys (Rodentia, Ctenomyidae) in the eastern lowlands - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1987)

Notes on Bolivian mammals. 7, A new species of Abrocoma (Rodentia) and relationships of the Abrocomidae - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1990)

Notes on Peromyscus (Muridae) of Mexico and Central America - Musser, Guy G. (American Museum of Natural History, 1969)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1922)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1895)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1896)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1898)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1912)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1920)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1938)

Nuovi annali delle scienze naturali (1838)

Nuovi annali delle scienze naturali (1840)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1897)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1911)

Obras completas y correspondencia científica - Ameghino, Florentino, 1853 -1911 (Taller de Impresiones Oficiales, 1918)

Observations on bats of Córdoba and La Pampa provinces, Argentina - Tiranti Paz, Sergio I. (Museum of Texas Tech University, 1998)

Observations on the biology of rodents in Uruguay - Royal Ontario Museum. (Royal Ontario Museum], 1969)

Occasional papers - Boston Society of Natural History. (1904)

Occasional papers - Texas Tech University. Museum, (The Museum, 1972)

Occasional papers - Texas Tech University. Museum, (The Museum, 1974)

Occasional papers - Texas Tech University. Museum, (The Museum, 1979)

Occasional papers - Texas Tech University. Museum, (The Museum, 1982)

Occasional papers - Texas Tech University. Museum, (The Museum, 1983)

Occasional papers - Texas Tech University. Museum, (The Museum, 1985)

Occasional papers - Texas Tech University. Museum, (The Museum, 1986)

Occasional papers - Texas Tech University. Museum, (The Museum, 1987)

Occasional papers - Texas Tech University. Museum, (The Museum, 1988)

Occasional papers - Texas Tech University. Museum, (The Museum, 1989)

Occasional papers - Texas Tech University. Museum, (The Museum, 1990)

Occasional papers - Texas Tech University. Museum, (The Museum, 1991)

Occasional papers - Texas Tech University. Museum, (The Museum, 2001)

Occasional papers - Texas Tech University. Museum, (The Museum, 2002)

Occasional papers - Texas Tech University. Museum, (The Museum, 2003)

Occasional papers - Texas Tech University. Museum, (The Museum, 2009)

Occasional papers - Texas Tech University. Museum, (The Museum, 2019)

Occasional papers - Texas Tech University. Museum, (The Museum, 2020)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1904)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1974)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1984)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1991)

Occasional papers of the Natural History Museum, the University of Kansas, Lawrence, Kansas - University of Kansas. Museum of Natural History. (The University, 1996)

Occasional papers - Tulane University. Museum of Natural History. (The Museum, 1982)

The occurrence of Hadromys (Rodentia, Muridae) in early Pleistocene Siwalik strata in northern Pakistan and its bearing on biogeographic affinities between Indian and northeastern African murine faunas - Musser, Guy G. (American Museum of Natural History, 1987)

Ohrknorpel und äusseres ohr der Säugetiere; eine vergleichend-anatomische Untersuchung - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 ([Nielsen & Lydiche (A. Simmelkiær)], 1912)

Oil spill sensitivity of the western Indian Ocean islands: coastal data from the Comoros Islands, Madagascar, Mauritius, Reunion and the Seychelles - Green, Edmund P. (Edmund Peter) 1965 - (WCMC, 1998)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1981)

On Lepidoptera Heterocera from China, Japan, and Corea - Leech, John Henry, 1862 -1900 (1897)

On the anatomy of vertebrates - Owen, Richard, 1804 -1892 (Longmans, Green, 1866)

On the biology and systematic position of Microtus abbreviatus Miller, a vole endemic to the St. Matthew Islands, Bering Sea - Rausch, V R (1968)

On the identity of "Zygodontomys" punctulatus (Rodentia, Muroidea) - Voss, Robert S. (American Museum of Natural History, 1991)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1957)

The origin and evolution of life, on the theory of action, reaction and interaction of energy - Osborn, Henry Fairfield, 1857 -1935 (C. Scribner's Sons, 1917)

The origin and relationship of the large mammals of North America - Grant, Madison. (Reprinted from the eighth annual report of the New York Zoological Society, 1904)

The origin and relationship of the large mammals of North America - New York Zoological Society. (1904)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1897)

Ornithologische Monatsschrift - Deutscher Verein zum Schutze der Vogelwelt. (Kommissions-Verlag der Creutschen Verlagsbuchhandlung, 1900)

Our country's animals and how to know them. A guide to the mammals, reptiles and amphibians of Great Britain - Gordon, W. J. (Simpkin, Marshall, Hamilton, Kent, 1904)

Outlines of economic zoölogy - Reese, A. M. (Albert Moore), 1872 -1965 (P. Blakiston's Son & Co, 1919)

Outlines of vertebrate palæontology for students of zoology - Woodward, Arthur Smith, 1864 -1944 (University Press, 1898)

Pacific coast avifauna - Cooper Ornithological Club. (Cooper Ornithological Club, 1909)

Pacific flying foxes (Mammalia, Chiroptera) : two new species of Pteropus from Samoa, probably extinct - Helgen, Kristofer M. (American Museum of Natural History, 2009)

Pacific science - University of Hawaii. (University Press of Hawaii, 1947)

Pacific science - University of Hawaii. (University Press of Hawaii, 1961)

Pacific science - University of Hawaii. (University Press of Hawaii, 1966)

Palaeontographia Italica : Memorie di paleontologia - Canavari, Mario 1855 -1928 (Tip. T. Nistri, 1895)

Palaeontographica (Theodor Fischer, 1885)

Palaeontology - Palaeontological Association (Palaeontological Association, 1964)

Palaeontology - Palaeontological Association (Palaeontological Association, 1972)

Palaeontology - Palaeontological Association (Palaeontological Association, 1985)

Paleontological investigations at Mineral Hill Cave - Broughton, Jack M. (U.S. Department of the Interior, Bureau of Land Management, Elko Field Office, 2004)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2001)

Palsas in Baker Creek Basin N.W.T. : an ecosystematic study - Luff, David Owen. (University of Alberta, Dept. of Geography, 1978)

Pamphlets on forestry in West Virginia (1900)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1954)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1945)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1922)

Papers in vertebrate paleontology honoring Robert Warren Wilson - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1984)

Papers on mammalogy - Field Museum of Natural History. (Field Museum of Natural History, 1941)

Parasitology - British Society for Parasitology. (Cambridge University Press, 1911)

Parasitology (Cambridge University Press, 1922)

Partnerships for sustainable forest ecosystem management : fifth Mexico/U.S. biennial symposium : October 17-20, 1994, Guadalajara, Jalisco, Mexico - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1995)

Patterns in the structure of mammalian communities - Morris, Douglas W. (Texas Tech University Press, 1989)

Patterns of genetic diversification in a widely distributed species of bat, Molossus molossus - Ammerman, Loren K. (Museum of Texas Tech University, 2016)

Patterns of morphological and molecular evolution in the Antillean tree bat, Ardops nichollsi (Chiroptera: Phyllostomidae) - Genoways, Hugh H. (Museum of Texas Tech University, 2017)

Paulamys, a replacement name for Floresomys Musser, 1981 (Muridae), and new material of that taxon from Flores, Indonesia - Musser, Guy G. (American Museum of Natural History, 1986)

Peromyscus allophylus Osgood : a synonym of Peromyscus gymnotis Thomas (Rodentia, Muridae) - Musser, Guy G. (American Museum of Natural History, 1971)

Persistent fontanelles in rodent skulls - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 2001)

Perú: Cordillera Escalera-Loreto - Stotz, Douglas F. (Douglas Forrester), 1956 - (The Field Museum, Science and Education, 2014)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)

Philippine rats : a new species of Crateromys from Dinagat Island - Rabor, Dioscoro S. (American Museum of Natural History, 1985)

Philippine Rattus : a new species from the Sulu Archipelago - Heaney, Lawrence R. (American Museum of Natural History, 1985)

Philippine rodents : chromosomal characteristics and their significance for phylogenetic inference among 13 species (Rodentia, Muridae, Murinae) - Rickart, Eric A. (American Museum of Natural History, 1993)