Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1930)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1936)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1945)

Contributions from the Hull Botanical Laboratory - Hull Botanical Laboratory. (University of Chicago Press, 1919)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1921)

Contributions from the Osborn Botanical Laboratory - Yale University. Osborn Botanical Laboratory (Osborn Botanical Laboratory, Yale University, 1916)

Contributions from the Osborn Botanical Laboratory - Yale University. Osborn Botanical Laboratory (Osborn Botanical Laboratory, Yale University, 1923)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1919)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1968)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 1993)

Contributions in quaternary vertebrate paleontology: a volume in memorial to John E. Guilday - Genoways, Hugh H. (Carnegie Museum of Natural History, 1984)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1978)

Contributions to the botany of Vermont - Middlebury College. (Botanical Dept., University of Vermont, 1898)

Contributions to the history of North American ornithology - Jackson, Jerome A (Nuttall Ornithological Club, 2010)

Control of scale insects and mealybugs on ornamentals - Schread, John C. (Connecticut Agricultural Experiment Station, 1970)

Cooperative plant pest report - United States. Animal; Plant Health Inspection Service. (The Service, 1976)

Crayfish species assemblages in softwater lakes in seven tertiary watersheds in south-central Ontario (Ontario, Ministry of Environment and Energy, 1997)

Current Northeast paleoethnobotany - New York State Museum. (University of the State of New York, State Education Dept, 1999)

Current Northeast paleoethnobotany - New York State Museum. (University of the State of New York, State Education Dept, 2008)

Current status and distribution of the swamp rabbit in Illinois : final report - Illinois. Department of Conservation. (The Laboratory, 1985)

Decayed wood identification of bearing trees of public land surveys - Drahn, Richard. (U.S. Department of Agriculture, Forest Service, Eastern Region, 1981)

Department circular - Massachusetts. Dept. of Agriculture. (1918)

Deutsches Magazin für Garten- und Blumenkunde - Neubert, Wilhelm. (G. Weise, 1849)

The distribution of important forest trees of the United States - Munns, E. N. (Edward Norfolk), 1889 -1972 (U.S. Dept. of Agriculture, 1938)

Distribution of plant-parasitic nematodes associated with forest trees of the world - Southeastern Forest Experiment Station (Asheville, N.C.) (Southeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967)

Draft environmental impact statement : vegetation management in the Coastal Plain/Piedmont - United States. Forest Service. Southern Region. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1988)

Draft weed management plan - Montana. Department of Fish, Wildlife,; Parks. Region 5 (The Region, 1994)

Drainage, drought, defoliation, and death in unmanaged Connecticut forests - Hill, David E. (David Easton), 1929 - (Connecticut Agricultural Experiment Station, 1971)

The drug plants of Illinois - Tehon, L. R. (Leo Roy), 1895 -1954 (Natural History Survey Division, 1951)

The Dunesland heritage of Illinois - Ross, Herbert H. (Herbert Holdsworth), 1908 -1978 (1963)

The earthworms (lumbricidae and sparganophilidae) of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1977)

Eastern forest tree diseases in relation to stand improvement - Hepting, George H. (George Henry), 1907 -1988 (U.S. Govt. Print. Off, 1934)

The easy way to beautiful plantings [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1930)

An ecological characterization of Coastal Maine (north and east of Cape Elizabeth) - U.S. Fish; Wildlife Service (Department of the Interior, U.S. Fish and Wildlife Service, Northeast Region, 1980)

An ecologically annotated checklist of the vascular flora at the Chesapeake Bay Center for Field Biology, with keys - Smithsonian Institution. Office of Ecology (Smithsonian Institution, 1968)

Ecology of Buzzards Bay : an estuarine profile - United States. National Biological Service. (U.S. Dept. of the Interior, National Biological Service, 1996)

The ecology of the plants native to Dutchess County, New York - Roberts, Edith Adelaide, 1881 - (Conservation Committee of the Garden Club of America, 1924)

Economic botany of Alabama - Harper, Roland M. (Roland McMillan), 1878 -1966 (1913)

Ecosystem management : rare species and significant habitats : proceedings of the 15th Annual Natural Areas Conference - Mitchell, Richard S., 1938 - (New York State Museum, University of the State of New York, State Education Dept, 1990)

The effect of fire disturbance level on plant re-establishement in Elk Island National Park, Alberta - University of Alberta. (University of Alberta, 1981)

Empirical yield tables for spruce-fir cut-over lands in the northeast - Westveld, Marinus, 1889 - (Northeastern Forest Experiment Station, 1953)

Endangered and threatened species of the Southeastern United States including Puerto Rico and the Virgin Islands - United States. Forest Service. (U.S. Forest Service], 1982)

Endothia parasitica and related species - Shear, C. L. (Cornelius Lott), 1865 -1956 (U.S. Dept. of Agriculture, 1917)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1951)

Entomologica Americana - Brooklyn Entomological Society (New York Entomological Society [etc.], 1975)

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Entomological news - American Entomological Society. (American Entomological Society, 1980)

Entomological news - American Entomological Society. (American Entomological Society, 1981)

Entomological news - American Entomological Society. (American Entomological Society, 1988)

Entomological news - American Entomological Society. (American Entomological Society, 1989)

Entomological news - American Entomological Society. (American Entomological Society, 1995)

Entomological news - American Entomological Society. (American Entomological Society, 1996)

Entomological news - American Entomological Society. (American Entomological Society, 1997)

Entomological news - American Entomological Society. (American Entomological Society, 1999)

Entomologische Arbeiten aus dem Museum G. Frey Tutzing bei München - Museum G. Frey, Munich. (Eigenverlag, 1975)

Entomologische berichten - Nederlandse Entomologische Vereniging (2012)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1985)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 1997)

Erigenia : journal of the Illinois Native Plant Society - Illinois Native Plant Society. (The Society, 2003)