Report of a geological survey of Wisconsin, Iowa, and Minnesota;and incidentally of a portion of Nebraska Territory - United States. General Land Office (Lippincott, Grambo, 1852)

Report of a geological survey of Wisconsin, Iowa, and Minnesota : and incidentally of a portion of Nebraska Territory : made under instructions from the United States Treasury Department - United States. General Land Office. (Lippincott, Grambo & Co, 1852)

Report of the Botanist - New York (State). State Botanist. (James B. Lyon, State Printer, 1867)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1878)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1898)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1915)

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 Dove Marine Laboratory - Dove Marine Laboratory. (The University, 1912)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1871)

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

Report of the geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1893)

Report of the Missouri State Horticultural Society for the year - Missouri State Horticultural Society. (The Society, 1886)

Report of the second Norwegian Arctic Expedition in the "Fram", 1898-1902. Published by Videnskabs-selskabet i Kristiania, at the expense of the Fridjof Nansen Fund for the Advancement of Science - Norske videnskaps-akademi i Oslo. (T.O. Brøgger, 1907)

[Report of a voyage made to the Canadian Labrador coast ; Catalogue of plants and birds of the north shore] - Saint-Cyr, D. N. (Dominique Napoléon), 1826 -1899 (s.n, 1887)

Report on an exploration of Ekwan River, Sutton Mill Lakes and part of the west coast of James Bay - Whiteaves, Joseph Frederick, 1835 -1909 (Printed by S.E. Dawson, 1904)

Report on botanical work in Minnesota for the year 1886 - Arthur, Joseph Charles, 1850 -1942 (Pioneer Press Co, 1887)

Report on exploration in the Labrador peninsula along the East Main, Koksoak, Hamilton, Manicuagan and portions of other rivers in 1892-93-94-95 - Geological Survey of Canada (S.E. Dawson, 1896)

Report on explorations of the Churchill and Nelson Rivers and around God's and Island Lakes, 1879 - Geological Survey of Canada (Dawson Brothers, 1880)

Report on the botany of Madison, Lincoln, Garrard, Washington, and Marion Counties, Kentucky - Kentucky. State Geologist. (Yeoman Press, 1882)

Report on the botany of the expedition - Gray, Asa, 1810 -1888 (War Dept, 1855)

Report on the forest wealth of Canada - Johnson, George, 1837 -1911 (S.E. Dawson, 1895)

Report on the geology and resources of the Black hills of Dakota, with atlas - Geographical; Geological Survey of the Rocky Mountain Region (U.S.) (Govt. Print. Off, 1880)

Report on the geology and resources of the Black Hills of Dakota : with atlas - Gray, Asa, 1810 -1888 (Govt. Print. Off, 1880)

Report on the proceedings of the United States expedition to Lady Franklin Bay, Grinnell Land - Greely, A. W. (Adolphus Washington), 1844 -1935 (G.P.O, 1888)

Report on the scientific results of the "Michael Sars" north Atlantic deep-sea expedition 1910, carried out under the auspices of the Norwegian government and the superintendence of Sir John Murray, K.C.B., and Dr. Johan Hjort - Murray, John, Sir, 1841 -1914 (The Trustees of the Bergen museum, 1914)

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 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, 1882)

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

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 (King's Printer, 1917)

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.], 1855)

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

Reports on the geology of the basin of Moose River and of the Lake of the Woods and adjacent country, 1881 - Geological Survey of Canada (Dawson, 1883)

Research and discoveries : the revolution of science through scuba - Lang, Michael A. (Smithsonian Institution Scholarly Press, 2013)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University Pub. Co, 1905)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The University publishing company, 1905)

Resources of the southern fields and forests, medical, economical, and agricultural - Porcher, Francis Peyre, 1825 -1895 (Walker, Evans & Cogswell, printers, 1869)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1912)

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 catalog, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ferndale Nursery, 1946)

Retail catalog 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Bourgondien Bros, 1954)

Retail catalog 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Bourgondien Bros, 1955)

Retail catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colprit's Nursery, 1951)

Retail catalogue of American plants, shrubs and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1898)

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

Retail catalogue, spring and fall 1944, seventh year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Garden City Perennial Gardens, 1944)

Retail list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.F. Weaver Nurseries and Greenhouses, 1933)

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

Retail price list. No. 59 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Capital City Nurseries, Incorporated, 1927)

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

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1914)

Retail price list of perennials, evergreens, ornamental shrubs and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George Martin Nurseries, 1928)

Retail price list of the Reading Nursery : ornamental, deciduous, shade, and evergreen trees and shrubs, conifers, and hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1888)

Retail price list, spring and fall 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Garden City Perennial Gardens, 1952)

Retail season 1921-1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1921)

A review of the genera of ferns proposed prior to 1832 (Torrey Botanical Club, 1899)

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

Revised list of Hawaiian Pteridophyta - Christensen, Carl, 1872 -1942 (The Museum, 1925)

Revised list of the Ferns of Natal - Buchanan, John, 1855 -1896 (1875)

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)

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.], 1893)

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.], 1898)

Revision of the North American species of the genus Juncus - Engelmann, George, 1809 -1884 (G. Knapp, 1868)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1902)

Revue générale de botanique (Libraire générale de l'enseignement, 1889)

Revue générale de botanique (Libraire générale de l'enseignement, 1920)

Revue horticole (Librairie agricole de la maison rustique, 1864)

Revue horticole (Librairie agricole de la maison rustique, 1870)

Revue horticole (Librairie agricole de la maison rustique, 1881)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1908)

Rheinisches Jahrbuch für Gartenkunde und Botanik (E. Strauss, 1883)

Rhododendrons : fall, 1928 spring, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1928)

Rhododendrons : fall, 1929 spring, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1929)

Rhododendrons for spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1928)

Rhododendrons : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1929)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1900)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1913)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1914)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1918)

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.], 1923)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1925)

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.], 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.], 1940)

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

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1958)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1972)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1979)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1985)