Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1916)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1918)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1919)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1922)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1900)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1905)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1907)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1910)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1913)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1914)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1915)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1916)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1917)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1918)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1919)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1921)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1944)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1954)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1958)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1982)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1983)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1993)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2001)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2004)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1894)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1942)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1965)

Prodrome de la flore corse : comprenant les résultats botaniques de six voyages exécutés en Corse sous les auspices de M. Emile Burnat - Briquet, John, 1870 -1931 (Georg, 1910)

The Production of lumber in 1913 - United States. Office of Industrial Investigations. (U.S. Dept. of Agriculture, 1915)

Production of lumber, lath, and shingles in 1915 and lumber in 1914 - Nellis, J. C. (Jesse Charles), 1885 - (U.S. Dept. of Agriculture, 1917)

Profile characteristics of New England forest soils - Lunt, Herbert A. (Herbert Arthur), 1898 - (Connecticut Agricultural Experiment Station, 1932)

Profits will be made by buyers of stock from this special fall list : August 20 to November 15, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1929)

Propagation of wild birds; a manual of applied ornithology, treating of practical methods of propagation of quails, grouse, wild turkey, pheasants, partridges, pigeons and doves, and waterfowl, in America, and of attracting and increasing wild birds in general, including song-birds - Job, Herbert Keightley, 1864 -1933 (1915)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1956)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1974)

A provisional list of the parasitic fungi of Wisconsin - Davis, John Jefferson. (1914)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1976)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1896)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1929)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1941)

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

Publications of the Central States Forest Experiment Station, July 1927 through December 1949 - Central States Forest Experiment Station (Columbus, Ohio) (The Station, 1950)

Publications to January 1960 - Central States Forest Experiment Station (Columbus, Ohio) (The Station, 1960)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1956)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1960)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1961)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1966)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

A record of the fungi named by J.B. Ellis - United States. Bureau of Plant Industry, Soils,; Agricultural Engineering. (Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, U.S. Dept. of Agriculture, 1952)

Reduced herbivory on exotic buckthorn (Rhamnus cathartica) compared to native tree species in an Illinois woodland - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2012)

Regiones terrestres prioritarias de México - Aguilar Zúñiga, Claudia (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2000)

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

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1892)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1897)

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 Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1907)

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 Northern Great Plains Field Station for the 10-year period, 1913-1922, inclusive - Stephens, John Morman, 1879 - (U.S. Dept. of Agriculture, 1925)

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, 1909)

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 of the State highway commission on the Iowa lakes and lake beds - Iowa. Highway Commission. (Pub. by the state of Iowa, 1917)

Report on forest conditions in Delaware and a forest policy for the state - Sterrett, William Dent. (Delaware College Agricultural Experiment Station, 1908)

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

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1958)

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.

Retail, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1941)

Retail price list, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1935)

Retail price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1936)

Retail price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1939)

Retail price list : fall 1943, spring 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1943)

Retail tree list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Franklin Meehan & Sons, 1939)

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

Review of the species of New World Erythroneurini (Hemiptera ; Cicadellidae: Typhlocybinae) : IV. Genus Eratoneura - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2010)

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

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1891)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1876)

Rhododendrons, azaleas, specimen conifers, rare plants, 1936 : Carolina mountain flowers and hardy native American plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1936)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1903)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1921)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1922)

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.], 1936)