Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1977)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1981)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1982)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1969)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1974)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1975)

Publications of the Lake States Forest Experiment Station, 1956- 1960 - Lake States Forest Experiment Station (Saint Paul, Minn.) (The Station], 1961)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1969)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1970)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1976)

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

Range plant community types and carrying capacity for the dry and central mixedwood subregion : second approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1996)

Range plant community types and carrying capacity for the lower foothills subregion of Alberta : fourth approximation - Alberta. Alberta Sustainable Resource Development. (Sustainable Resource Development, Public Lands and Forests, 2005)

Range plant community types and carrying capacity for the lower foothills subregion of Alberta : third approximation - Alberta. Public Lands Division. (Alberta Environment, Land and Forest Service, 2000)

Range plant community types and carrying capacity for the montane subregion : fourth approximation - Willoughby, Michael, 1959 - (Alberta Environment, Lands and Forest Services, 2001)

Range plant community types and carrying capacity for the montane subregion : fifth approximation - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Public Lands Division, 2003)

Range plant community types and carrying capacity for the montane subregion : second approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1997)

Range plant community types and carrying capacity for the subalpine and alpine subregions : first approximation - Willoughby, Michael, 1959 - (Alberta Environmental Protection, Lands and Forest Services, 1999)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1976)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1980)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1984)

Rare plant inventory of the eastern edge of the lower foothills natural subregion, west-central Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Wildlife Conservation and Biodiversity Section, 2002)

Reading Nursery [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jacob W. Manning, 1907)

Readings in mammalogy / selected from the original literature and introduced with comments - Anderson, Sydney, 1927 -2018 (Museum of Natural History, University of Kansas, 1970)

Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1908)

Reforestation in Massachusetts - Simmons, James Raymond. (Wright & Potter printing company, state printers, 1919)

Reforestation in Massachusetts - Massachusetts. State Forester. (Wright & Potter, 1919)

The relation of plant succession to crop production, a contribution to crop ecology - Waller, Adolph Edward, 1892 - (The University, 1921)

Relative resistance of various conifers to injection with creosote - Teesdale, Clyde Harry. (U.S. Dept. of Agriculture, 1914)

Remote sensing of changes in morphology and physiology of trees under stress : final report, 30 September 1972 - United States. Forest Service. (Forestry Remote Sensing Laboratory, School of Forestry and Conservation, University of California, 1972)

Report - New York (State). Forest, Fish; Game Commission. (1895)

Report - United States. Forest Pest Management. (USDA Forest Service, Forest Pest Management)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1942)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1932)

Report of the Director to the Board of Trustees for the year ... - Chicago Natural History Museum. (The Museum, 1954)

Report of the Director to the Board of Trustees for the year ... - Chicago Natural History Museum. (The Museum, 1944)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1893)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1905)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1906)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1908)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1911)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1912)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1913)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1914)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1916)

Report of the Pennsylvania Department of Forestry, for the years ... - Pennsylvania. Department of Forestry. (Harrisburg Pub. Co., state printer, 1908)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1901)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1904)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1909)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1912)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1916)

Report of the state botanist for 1924 - New York (State). Botanist. (University of the State of New York, 1925)

Report on a cooperative seed & cone insect survey in the Northeastern Region, 1963-64 - United States. Forest Service. (Forest Service, USDA, 1965)

Report on the flora of St. Andrews, N.B - Fowler, James, 1829 -1923 (Printed by S.E. Dawson, 1901)

Report, State Entomologist of Minnesota to the Governor - Minnesota. State Entomologist. (Agricultural Experiment Station, 1920)

Report, State Entomologist of Minnesota to the Governor - Minnesota. State Entomologist. (Agricultural Experiment Station, 1922)

Report upon the forestry investigations of the U. S. Department of agriculture. 1877-1898 - Fernow, B. E. (Bernhard Eduard), 1851 -1923 (Govt. print. off, 1899)

Report upon the forestry investigations of the U.S. Department of agriculture. 1877-1898 - Fernow, B. E. (Bernhard Eduard), 1851 -1923 (Govt. print. off, 1899)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1913)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Reproduction on cut-over swamplands in the Upper Peninsula of Michigan - Lake States Forest Experiment Station (Saint Paul, Minn.) (Division of Forest Management, Lake States Forest Experiment Station, U.S. Dept. of Agriculture–Forest Service, 1952)

Research accomplishments - United States. Forest Service. (1970)

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1909)

Residential fuelwood production and sources from roundwood in Minnesota, 1988 - North Central Forest Experiment Station (Saint Paul, Minn.) (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1991)

Resource management report - Ontario. Fish; Wildlife Branch.

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1920)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1921)

A review of the North American hawk moth, genus Lapara (Lepidoptera: Sphingidae) - Royal Ontario Museum. (Royal Ontario Museum], 1972)

Revised checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1997)

A revision of the North American species of beetles belonging to the family Bostrichidae - Fisher, Warren Samuel, 1878 -1971 (U.S. Dept. of Agriculture, 1950)

A revision of the North American species of buprestid beetles belonging to the tribe Chrysobothrini - Fisher, Warren Samuel, 1878 -1971 (U.S. Dept. of Agriculture, 1942)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1910)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1899)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1904)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1907)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1910)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1911)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1915)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1916)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1917)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1919)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1926)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1927)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1929)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1930)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1931)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1932)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1933)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1934)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1938)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1940)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1943)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1948)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1950)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1953)