ProHort - Center for Urban Horticulture (1987)

ProHort - Center for Urban Horticulture (1988)

ProHort - Center for Urban Horticulture (1996)

Project : use of computer models for risk assessment in southern forest ecosystems - United States. Forest Service. Southern Region. (USDA Forest Service, Region 8, 1986)

Properties of tree barks in relation to their agricultural utilization - Bollen, W. B. (Walter Beno), 1896 -1989 (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

Proposal list : very special offerings for spring of 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1931)

Proposed estuarine sanctuary grant award to the state of New York for a Hudson River estuarine sanctuary - National Ocean Survey. Office of Coastal Zone Management. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Office of Coastal Zone Management, 1982)

Le propriétaire-planteur; semer et planter traité pratique et économique des reboisements et des plantations des parcs et jardins - Cannon, David (L. Laveur, 1906)

Protecting and enhancing America's forests and rangelands : 1986 research accomplishments - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1987)

The protection of ornamental plants, 1979-April 1989 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1989)

The protection of sorghum and millets, January 1979 - July 1985 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept of Agriculture, National Agricultural Library, 1986)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1965)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1875)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1879)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1877)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1884)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1885)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1919)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1922)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1928)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1959)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

pu tong zi ran di li 普通自然地理 - Polovinkin, A. A. (Aleksandr Aleksandrovich) 1887 -1955 (dong bei jiao yu chu ban she 东北教育出版社, 1948)

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

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

Publications of the Lake States Forest Experiment Station, 1923- 1955 - Lake States Forest Experiment Station (Saint Paul, Minn.) (The Station, 1956)

[Publications on plant pathology from Cornell Agricultural Experiment Station Memoirs, collected by H.S. Jackson.] - Jackson, H. S. (Herbert Spencer), 1883 -1951 (Cornell University], 1915)

[Publications on plant pathology from Wisconsin Experiment Station Research bulletins, collected by H.S. Jackson.] - Wisconsin. Agricultural Experiment Station, Madison (1911)

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

Put your planting problems up to us - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pfunds' Nursery, 1921)

The quadrupeds of North America - Audubon, John James, 1785 -1851 (V.G. Audubon, 1851)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1972)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1979)

Quality : you can see at prices you can afford - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Valley Nursery Inc, 1959)

The Quarterly journal of science (J. Churchill and Sons, etc, 1865)

Quarterly Journal of Science, Literature and the Arts - Royal Institution of Great Britain. (1827)

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1954)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1855)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1866)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1878)

Your guide to a more beautiful and fruitful manner of living - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oak Park Nurseries, Inc, 1958)

Random notes on natural history (Southwick & Jencks, 1884)

Ransom's 1946 catalog : evergreens, seeds, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ransom Nursery, 1946)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1972)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1975)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1982)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1986)

Raupenkalender, oder systematisches Verzeichniss aller Raupen so in Deutschland bekant sind - Schott, J. J. (P. H. Guilhauman, 1829)

Raupenkalender oder Systematisches Verzeichniss aller Raupen, welche in Deutschland bekannt sind - Schott, J. J. (P.H. Guilhauman, 1830)

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

Recent research on conifer needle diseases : conference proceedings, October 14-18, 1984, Gulfport, Mississippi - Peterson, Glenn W. (U.S. Dept. of Agriculture, Forest Service, 1986)

Recent research on foliage diseases : conference proceedings : Carlisle, Pennsylvania, May 29-June 2, 1989 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1990)

Recherches sur la présence et le rôle du bore chez les végétaux - Agulhon, Henri. (L. Barnéoud, 1910)

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)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1983)

Recreative Science (1860)

The Red pine scale in North America : a report to the 1975 Eastern Plant Board - Anderson, John F. (John Frederic), 1936 - (Connecticut Agricultural Experiment Station, 1976)

Red rot of ponderosa pine - Andrews, Stuart R., 1910 - (U.S. Dept. of Agriculture, Forest Service, 1955)

Reduction in prices effective January 1, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. Franke Nurseries, 1930)

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

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

The regional survey of forest insect conditions, California region, 1931-1936 - United States. Bureau of Entomology; Plant Quarantine. (1937)

The regional vegetational history of the High Peaks (Adirondack Mountains) New York - Biological Survey (N.Y.) (University of the State of New York, State Education Dept., New York State Museum, Biological Survey, 1990)

The regions of vegetation, being an analysis of the distribution of vegetable forms over the surface of the globe in connection with climate and physical agents (G.J. Palmer, 1843)

Le Règne végétal; divisé en: Traité de botanique, Flore médicale, usuelle et industrielle, Horticulture théorique et pratique, Plantes agricoles et forestières, Histoire biographique et bibliographique de la botanique - Réveil, O. (Oscar), 1821 -1865 (L. Guérin, 1870)

Reise in das innere Nord-America in den Jahren 1832 bis 1834 - Wied, Maximilian, Prinz von, 1782 -1867 (Bei J. Hœlscher, 1839)

Reise in das innere Nord-America in den Jahren 1832 bis 1834 - Wied, Maximilian, Prinz von, 1782 -1867 (Bei J. Hœlscher, 1841)

The relation of desert plants to soil moisture and to evaporation - Livingston, Burton E. (Burton Edward), 1875 -1948 (Carnegie Inst, 1906)

The relation of insect defoliation to mortality in Connecticut forests - Stephens, George Robert, 1929 - (Connecticut Agricultural Experiment Station, 1971)

The Relation of insects to slash disposal - United States. Bureau of Entomology. Division of Forest Insect Investigations. (U.S. Dept. of Agriculture, 1927)

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

The relation of Valsa Kunzei to cankers on conifers - Waterman, Alma M. (Alma May),‏ ‎ 1893 - (Northeastern Forest Experiment Station, Forest Insect and Disease Laboratory, 1955)

Reliably hardy evergreens for fall planting : autumn 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1915)

Reliably hardy evergreens for fall planting : autumn 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1916)

Remote sensing implications of changes in physiologic structure and function of tree seedlings under moisture stress : annual progress report, 30 September, 1967 - United States. Forest Service. (Forestry Remote Sensing Laboratory, School of Forestry and Conservation, University of California, 1967)

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)

Remote sensing of changes in morphology and physiology of trees under stress : annual progress report, 30 September, 1970 - United States. Forest Service. (Forestry Remote Sensing Laboratory, School of Forestry and Conservation, University of California, 1970)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Réponse à une adresse de l'Assemblée législative en date du 19 avril 1886, demandant copie du rapport d'un voyage fait au Labrador canadien, en vertu d'un ordre en conseil, par M. Saint-Cyr, ancien député, conservateur du musée de l'instruction publique aussi copie de son catalogue des plantes et des oiseaux de la Côte Nord et des î les faisant partie du Labrador canadien, exposés au Musée de l'Instruction publique - Saint-Cyr, D. N. (Dominique Napoléon), 1826 -1899 (s.n, 1886)

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

Report for the years ... - Pennsylvania. Department of Forestry. (Harrisburg Pub. Co., state printer, 1904)

Report of the ... annual meeting of the Canadian Forestry Association - Canadian Forestry Association. (Government Printing Bureau, 1900)

Report of the Botanist - Connecticut Agricultural Experiment Station. (Connecticut Agricultural Experiment Station, 1903)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1896)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1899)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1900)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1925)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1919)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1913)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)

Report of the Commissioner of Fisheries to the Secretary of Commerce and Labor for the fiscal year ended ... - United States. Bureau of Fisheries. (G.P.O, 1909)

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

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1878)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1880)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1882)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1883)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1884)

Report of the Illinois Horticultural Board of Control having in charge the fruit exhibit of the State in the national horticultural building at the World's Columbian Exposition, Chicago, Ill., U. S. A., 1893 - World's Columbian Exposition Chicago, Ill.) 1893 - ([The Board, 1893)

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, 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 Minister of Lands and Forests of the Province of Ontario - Ontario. Dept. of Lands; Forests. (Published by Clarkson W. James, 1918)

Report of the Minister of Lands and Forests of the Province of Ontario - Ontario. Dept. of Lands; Forests. (Published by Clarkson W. James, 1962)

Report of the Minister of Lands and Forests of the Province of Ontario - Ontario. Dept. of Lands; Forests. (Published by Clarkson W. James, 1967)

Report of the Minister of Lands and Forests of the Province of Ontario - Ontario. Dept. of Lands; Forests. (Published by Clarkson W. James, 1971)

Report of the Minister of Lands and Forests of the Province of Ontario - Ontario. Dept. of Lands; Forests. (Published by Clarkson W. James, 1919)

Report of the Minister of Lands and Forests of the Province of Ontario - Ontario. Dept. of Lands; Forests. (Published by Clarkson W. James, 1965)

Report of the Pennsylvania Department of Forestry, for the years - Pennsylvania. Department of Forestry. (Harrisburg Pub. Co., State printer, 1906)

Report of the Pennsylvania Department of Forestry, for the years ... - Pennsylvania. Department of Forestry. (Harrisburg Pub. Co., state printer, 1907)

Report of the State board of agriculture on the work of extermination of the gypsy moth - Massachusetts. State board of agriculture. (Wright & Potter printing co., state printers, 1893)

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, 1912)