Neue Denkschriften der Allg. Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften = Nouveau mémoires de la Société helvétique des sciences naturelles - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (Schweizerische Gesellschaft für die Gesammten Naturwissenschaften, 1874)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1869)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

Nihon konchugaku - Matsumura, Shōnen 1872 -1960 (Shokabo, 1900)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

Nomenclator zoologicus continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, sub auspiciis et sumptibus C. R. Societatis zoologico-botanicae conscriptus a comite Augusto de Marschall - Marschall, August Friedrich, 1804 -1887 (typis C. Ueberreuter (M. Salzer), 1873)

Nomina conservanda - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft naturforschender Freunde zu Berlin, 1915)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1995)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1911)

Nunquam otiosus : zoologische Mittheilungen / von Dr. L. W. Schaufuss - Schaufuss, L. W. (Ludwig Wilhelm), 1833 -1890 (Gesellschaft für Botanik und Zoologie zu Dresden, 1879)

Nunquam otiosus : zoologische Mittheilungen / von Dr. L. W. Schaufuss - Schaufuss, L. W. (Ludwig Wilhelm), 1833 -1890 (Gesellschaft für Botanik und Zoologie zu Dresden, 1870)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1919)

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

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1905)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1897)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1895)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1919)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1988)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1986)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1934)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1941)

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

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1964)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1977)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1991)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1995)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1996)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1997)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 2001)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 2002)

Le parasitisme et la symbiose - Caullery, Maurice, 1868 -1958 (Doin, 1922)

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

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1982)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1872)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1970)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1972)

Proceedings and transactions of the Liverpool Biological Society - Liverpool Biological Society. (The Society, 1900)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1947)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1953)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1956)

Proceedings - Dorset Natural History and Archaeological Society - Dorset Natural History; Archaeological Society. (1877)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1903)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1910)