The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1934)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1935)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1936)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1937)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1938)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1939)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1940)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1941)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1943)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1946)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1947)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1948)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1949)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1951)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1955)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1957)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1961)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1968)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1972)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1975)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1978)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1980)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1982)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1984)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1985)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1986)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1989)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1991)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1995)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2010)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2011)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2013)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2016)

Nature and science - American Museum of Natural History (Natural History Press, 1963)

Nature in Avon - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1991)

Nature Reserves of the Himalaya and the Mountains of Central Asia (1993)

New genera and higher taxa in entomology with their authors from the "Bibliography of Agriculture" for 1958, 1959, and 1960 - Burch, Elisabeth B. (1962)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2015)

New Zealand Mud Snails in the Darlington Ditch, Cobblestone Fishing Access Site on the Madison River - Montana. Department of Fish, Wildlife,; Parks (Montana Fish, Wildlife & Parks, 2001)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1976)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1977)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1978)

Norfolk natterjack - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists Society, 1998)

Northcentral Montana coldwater lake ecosystems : 1998 annual report - Montana. Fisheries Division. (Montana Dept. of Fish, Wildlife and Parks, Fisheries Division, 1999)

Occasional paper - Entomological Society of British Columbia (The Society, 1994)

Occasional papers from the Museum of Victoria. Vol. 1-6 (1984-1993) - Museum of Victoria (Council of the Museum of Victoria, 1992)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1991)

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, 1981)

Official lists and indexes of names and works in zoology Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 1999)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 2011)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 2019)

Oil shale tract C-b : environmental monitoring report - C-b Shale Oil Project. (Cathedral Bluffs Shale Oil Co, 1982)

The ontogeny of insects; [papers] - Ceskoslovenská akademie ved. Sekce biologicka-lékarská. (Academic Press, 1960)