Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1978)

[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)

Quarterly summary of re-identifications, April, May, June 1961 : Change No. 5 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

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

A range-wide assessment of Port-Orford-cedar (Chamaecyparis lawsoniana) on federal lands - United States. Bureau of Land Management. (Bureau of Land Management, Oregon State Office, 2003)

Ransom Nursery, Geneva, Ohio - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ransom Nursery, 1933)

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, 1980)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1981)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1983)

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

Raptor research news - Raptor Research Foundation. (Raptor Research Foundation, 1970)

Rare bryophytes of Oregon - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, Salem District, 2016)

Rare, sensitive, and threatened species of the greater Yellowstone ecosystem - Clark, Tim W. (Northern Rockies Conservation Cooperative, 1989)

Répertoire de couleurs pour aider à la détermination des couleurs des fleurs, des feuillages et des fruits - Dauthenay, Henri. (Impr. Oberthur, 1905)

Reading Naturalist. Reading - Reading Natural History Society. (1966)

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)

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1902)

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

Reference book for home and nature lovers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Terrace Nurseries, 1932)

Regeneration outlook on BLM lands in the Siskiyou Mountains - United States. Bureau of Land Management. (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1986)

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

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)

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1914)

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

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

Report of the Department of Forestry of the State of Pennsylvania for the years ... - Pennsylvania. Department of Forestry. (Wm. Stanley Ray, state printer, 1912)

Report of the Pennsylvania Department of Forestry, for the years ... - Pennsylvania. Department of Forestry. (Harrisburg Pub. Co., state printer, 1910)

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

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1904)

Report on the big trees of California - United States. Bureau of Forestry. (Gov't print. off, 1900)

Report on the forest conditions of the Rocky Mountains, and other papers : with a map showing the location of forest areas on the Rocky Mountain Range - United States. Division of Forestry. (Dept. of Agriculture, Forestry Division, 1888)

Report on the forest conditions of the Rocky Mountains, and other papers; with a map showing the location of forest areas on the Rocky Mountain range - United States. Department of Agriculture. (Govt. Print. Off, 1889)

Report on the forest conditions of the Rocky Mountains, and other papers; with a map showing location of forest areas on the Rocky Mountain range (Govt. print. off, 1888)

Report on the forests of British East Africa - Hutchins, D. E. (David Ernest), 1850 -1920 (Printed for His Majesty's Stationery Off. by Darling, 1909)

Report on the forests of North America, exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Govt. Print. Off, 1884)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (G.P.O, 1884)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Govt. print. off, 1884)

Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah. With maps - Drummond, Willis, 1808 -1879 (Govt. Print. Off, 1879)

A report upon the boreal flora of the Sierra Nevada of California - Smiley, Frank Jason, 1880 - (University of California Press, 1921)

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)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1889)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1878)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1890)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1897)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1901)

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

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1908)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1914)

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

Research natural areas in Colorado, Wyoming, Nebraska, North Dakota, South Dakota, and parts of Wyoming - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994)

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

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1922)

Residential sites and environments; their conveniences, gardens, parks, planting, etc - Johnson, Joseph Forsyth. (A.T. Delamare Print. and Pub. Co, 1898)

Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

Results of a biological survey of the San Francisco Mountain region and desert of the Little Colorado, Arizona - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1890)

Retail list and wholesale list : shrubs, trees, vines, ferns, 1939-1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1939)

Retail list : shrubs, vines, trees, perennials, roses, ferns, espaliers, herbs, camellias, ground covers, fertilizers, insecticides, pots 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1947)

Retail price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.A. Albyn Nursery, 1927)

Retail price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greening Nursery Company, 1919)

Retail price list, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Incorporated, 1941)

Retail price list : fall 1924, spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.F. Hillenmeyer & Sons, 1924)

Retail price list : fall 1925, spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.F. Hillenmeyer & Sons, 1925)

Retail price list : fall, 1938–spring, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Small & Sons, 1938)

Retail price list for spring and fall 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carow Nursery, 1927)

Retail price list for spring and fall 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carow Nursery, 1929)

Retail price list : January 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo Nurseries, 1959)

Retail price list of ornamental and fruit trees, evergreens, shrubs, vines, bedding plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cheltenham Nurseries, 1915)

Retail price list : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stephen Hoyt's Sons Co, 1927)

Retail price list : spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1934)

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, 1915)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1917)