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 Entomologist of Connecticut for the year - Connecticut Agricultural Experiment Station. (1901)

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, 1921)

Report of the United States Geological Survey of the territories - Lesquereux, Léo, 1806 -1889 (Govt. Print. Off, 1873)

Report on a visit to the United States and Canada for the purpose of studying the research work and educational methods of the forestry departments and forestry schools in those countries in connection with the study of timber and other forest products - Burdon, Edward Russell. (University Press, 1912)

Report on forest 1899 - New Jersey Geological Survey. (State printers, 1900)

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

Report on forestry in Kenya colony - Troup, Robert Scott, 1874 -1939 (Published for the Government of Kenya by the Crown Agents for the Colonies, 1922)

Report on forests - Geological Survey of New Jersey. (MacCrellish & Quigley, 1900)

Report on the birds of Pennsylvania : with special reference to the food habits, based on over four thousand stomach examinations - Warren, Benjamin Harry, 1858 -1926 (E.K. Meyers, State Printer, 1890)

Report on the birds of Pennsylvania. With special reference to the food-habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E. K. Meyers, state printer, 1890)

Report on the birds of Pennsylvania; with special reference to the food habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1890)

Report on the botany of Barren and Edmonson counties - Hussey, John. 1831 -1888 (1876)

Report on the disastrous effects of the destruction of forest trees now going on so rapidly in the State of Wisconsin - Wisconsin. Commissioners to Investigate; Report on the Disastrous Effects of the Destruction of Forest Trees. (Atwood & Rublee, State Printers, 1867)

Report on the forest resources of Western Australia - Mueller, Ferdinand von, 1825 -1896 (Reeve, 1879)

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 fruit and kitchen gardens near Paris, from observations made during a visit in the spring of 1847 - Thompson, Robert, 1798 -1869 (1847)

Report on the noxious, beneficial, and other insects of the State of Missouri - Missouri. State Entomologist (1868)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1885)

Report, State Entomologist of Minnesota to the Governor - Minnesota. State Entomologist. (Agricultural Experiment Station, 1918)

Report (to accompany bill S. no. 241) - Linn, Lewis Fields, 1795 -1843 (Blair & Rives, printers, 1838)

Report: <to accompany bill S. no. 241> - Linn, Lewis Fields, 1795 -1843 (Blair & Rives, printers, 1838)

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 and papers on botany - Grisebach, A. (August), 1814 -1879 (Printed for the Ray society, 1846)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1856)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of observations and experiments in the practical work of the Division, made under the direction of the Entomologist - United States. Division of Entomology. (U.S. G.P.O, 1883)

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, 1910)

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

Reproductive ecology of Conradina verticillata Jennison, a rare, endemic mint of the Cumberland Plateau - Roulston, T'ai Honda. (1994)

En resa til Norra America - Kalm, Pehr, 1716 -1779 (Tryckt på L. Salvii kostnad, 1753)

En resa til Norra America p a Kongl. Swenska Wetenskaps Academiens befallung och publici kostnad - Kalm, Pehr, 1716 -1779 (Tryckt p a Lars Salvi Kostnad, 1761)

Research for tomorrow's forests : 1983 research accomplishments - United States. Forest Service. (USDA, Forest Service, 1984)

Research on fish and wildlife habitat - U.S. Fish; Wildlife Service (Office of Research and Development, U.S. Environmental Protection Agency, 1982)

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

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

Resource management report - Ontario. Fish; Wildlife Branch.

The resources of California : comprising agriculture, mining, geography, climate, commerce, &c., and the past and future development of the state - Hittell, John S. (John Shertzer), 1825 -1901 (A. Roman, 1863)

The resources of California: comprising agriculture, mining, geography, climate, &c., and the past and future development of the state - Hittell, John Shertzer, 1825 -1901 (A. Roman and company, 1869)

Response of tree seedlings to extended photoperiods - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Results of a biological reconnoissance of south-central Idaho - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1891)

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

Retail catalogue for spring and fall of 1885, of fruit and ornamental trees, flowering shrubs, roots, &c - Brackenridge, William D. (William Dunlop), 1810 -1893 (Rosebank Nurseries, 1885)

Retail catalogue of ground cover plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1930)

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

Retail price list. No. 76, fall 1926 - spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greening Nursery Co, 1926)

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

Retail price list, 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1919)

Retail price list 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1921)

Retail price list : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Van Lindley Nursery Company, 1923)

Retail price list 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1925)

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 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Van Lindley Nursery Co, 1920)

Retail price list : fall 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nursery Company, 1921)

Retail price list : fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1922)

Retail price list fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Van Lindley Nursery Company, 1924)

Retail price list : fall 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1933)

Retail price list fall 1934 : with descriptions and pronunciations - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lindley Nurseries Inc, 1934)

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

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

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

Retail price list [of] plants that are suited to southern conditions : Fall 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nursery Co, 1920)

Retail price-list : spring, 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1924)

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

Reuter's garden book : spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Company, 1932)

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, 1916)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1919)

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, 1922)

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

A revision of the spider mite family Tetranychidae - Pritchard, A. Earl (Arthur Earl), 1915 -1965 (Pacific Coast Entomological Society, 1955)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1952)

Revue de viticulture : organe de l'agriculture des régions viticoles - Ravaz, L. (Louis) (Bureaux de la "Revue de Viticulture", 1909)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1891)

Revue des sciences naturelles (1876)

Revue générale de botanique (Libraire générale de l'enseignement, 1903)

Revue générale de botanique (Libraire générale de l'enseignement, 1909)

Revue horticole (Librairie agricole de la maison rustique, 1861)

Revue horticole (Librairie agricole de la maison rustique, 1862)

Revue horticole (Librairie agricole de la maison rustique, 1873)

Revue horticole (Librairie agricole de la maison rustique, 1882)

Revue horticole (Librairie agricole de la maison rustique, 1884)

Revue horticole (Librairie agricole de la maison rustique, 1887)

Revue horticole (Librairie agricole de la maison rustique, 1889)

Revue horticole (Librairie agricole de la maison rustique, 1894)

Revue horticole (Librairie agricole de la maison rustique, 1829)

Revue horticole (Librairie agricole de la maison rustique, 1896)

Revue horticole (Librairie agricole de la maison rustique, 1900)

Revue horticole (Librairie agricole de la maison rustique, 1905)

Revue horticole (Librairie agricole de la maison rustique, 1908)

Revue horticole (Librairie agricole de la maison rustique, 1909)

Revue horticole (Librairie agricole de la maison rustique, 1914)

Revue horticole (Librairie agricole de la maison rustique, 1915)

Revue mycologique (Bureaux de la rédaction, 1881)

Revue mycologique (Bureaux de la rédaction, 1887)

Revue mycologique (Bureaux de la rédaction, 1888)

Rhododendrons, azaleas, box and other evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Koster & Company, 1933)

Rhododendrons, azaleas, box and other evergreens : 1932 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Koster & Company, 1932)

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)

Rhododendrons, boxwood, azaleas, clematis, novelties, bay trees, hardy plants, evergreens : novelties bulbs, cannas novelties, palms, araucarias, ferns, vines, orchids, flowering shrubs, ornamental grasses and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1902)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1905)

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.], 1914)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1923)

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

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.], 1932)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1937)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1939)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1941)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1942)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1947)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1951)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1952)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1954)