The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1898)

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, 1903)

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, 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, 1920)

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

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1922)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1904)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1884)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1883)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1960)

Production of drug and condiment plants - Sievers, A. F. (Arthur Frederick), 1885 - (U.S. Dept. of Agriculture, 1999)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2015)

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, 1930)

Putney's 1955 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney Nursery, 1955)

Quarterly Magazine of the High Wycombe Natural History Society - High Wycombe Natural History Society. (1866)

Quarterly - Women's National Agricultural; Horticultural Association. (Published quarterly for W.N.A. and H.A. by J.B. Haines, 1914)

Rambles in search of wild flowers, and how to distinguish them - Plues, Margaret (Journal of horticulture and cottage gardener, 1864)

Range plants of Arizona and New Mexico : names, symbols and notations - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S.D.A, 1958)

Die Raupen der gross-schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (Verlag der C. Hoffmann, 1893)

Rawson's garden manual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1909)

Reading Naturalist. Reading - Reading Natural History Society.

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 general science

Rectifications et additions à la flore des environs de Rouen - Blanche, Emmanuel, 1824 -1908 (Impr. de A. Peron, 1850)

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)

Reisen in Bosnien und der Hertzegowina - Kiepert, Heinrich, 1818 -1899 (D. Reimer, 1877)

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 botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1844)

Report - British Columbia Provincial Museum. (1916)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1916)

Report / Haileybury Natural Science Society - Haileybury Natural Science Society. (1873)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1837)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1845)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1850)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1857)

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 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 Provincial Museum of Natural History - British Columbia Provincial Museum. (Provincial Museum, King's Printer for British Columbia, 1912)

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)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1916)

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, 1896)

Report on the herbaceous flowering plants of Massachusetts, arranged according to the natural orders of Lindley, and illustrated chiefly by popular descriptions of their character, properties, and uses - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, Printers to the University, 1840)

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

Reports on the herbaceous plants and on the quadrupeds of Massachusetts : published agreeably to an order of the Legislature by the Commissioners on the Zoological and Botanical Survey of the State - Massachusetts. Zoological; Botanical Survey. (Folsom, Wells, and Thurston, 1840)

Reports on the herbaceous plants and on the quadrupeds of Massachusetts - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, 1840)

Resources of the southern fields and forests, medical, economical, and agricultural : being also a medical botany of the Confederate States; with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

Resources of the southern fields and forests, medical, economical, and agricultural being also a medical botany of the Confederate States : with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

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

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

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1923)

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

Revue complémentaire des sciences appliquées à la médecine et pharmacie, à l'agriculture, aux arts et à l'industrie ([s.n.?], 1854)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1883)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1885)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1893)

Revue de la flore des environs de Spa - Lejeune, Alexandre Louis Simon, 1779 -1858 (Duvivier, 1824)

Revue de la Flore des environs de Spa. Contenant l'énumération de toutes les plantes y décrites, avec les observations, les descriptions, les additions et les corrections nécessaires pour la mettre le plus possible à la hauteur de la science Par A.L.S. Lejeune ... - Hall, H. C. van (Herman Christiaan), 1801 -1874 (Ve Duvivier, 1824)

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1895)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1894)

Revue horticole (Librairie agricole de la maison rustique, 1907)

Revue mycologique (Bureaux de la rédaction, 1884)

Revue mycologique (Bureaux de la rédaction, 1901)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1891)

Revue scientifique du Bourbonnais et du centre de la France - Olivier, Ernest, 1844 -1914 (Impr. É. Auclaire, 1888)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1948)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1977)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1980)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1981)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1994)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1995)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1996)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2001)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2002)

Riparian and wetland plant associations of southwestern Idaho : with a focus on the Bureau of Land Management's Lower Snake River District - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, National Science and Technology Center, Information and Communications Group, 2001)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1888)

Rochester and district; a sketch-guide to its geology, flora, & fauna - Hepworth, J. (Parrett & Neves, 1913)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1940)

Roses, perennials, climbing plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1937)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1850)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1911)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1917)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1950)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 1999)

Saggio sulle qualita` medicinali delle piante della flora Napolitana : e sulla maniera di servirsene per surrogarle alle droghe esotiche - Tenore, Michele, 1780 -1861 (Tipografia Coda, 1808)

Samen katalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wernich Seed Co, 1900)

Samen-Tauschverzeichnis des Botanschen Gartens der Universität Graz - Universität Graz. Botanischer Garten. (Verlag des Instituts für systematische Botanik der Universität Graz, 1937)

Samen-Verzeichnis des Botanischen Gartens der Stadt Köln am Rhein - Flora und Botanischer Garten Köln. ([Flora und Botanischer Garten Köln], 1937)

Samen-Verzeichnis des Botanischen Gartens der Stadt Köln am Rhein - Flora und Botanischer Garten Köln. ([Flora und Botanischer Garten Köln], 1938)

Samuel Barnum Mead and John Torrey correspondence, 1841-1847 - Mead, Samuel Barnum, 1798 -1880 (1844)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation in Erie county, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Clapper, 1899)

Sandusky flora. A catalogue of the flowering plants and ferns growing without cultivation, in Erie County, Ohio, and the peninsula and islands of Ottawa County - Moseley, Edwin Lincoln, 1865 -1948 (Press of Clapper Printing Co, 1899)

Saul's select seeds. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles F. Saul, 1916)

Saul's select seeds 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles F. Saul, 1911)

Saul's select seeds 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles F. Saul, 1913)

Saul's select seeds : 1914 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles F. Saul, 1914)

Saul's select seeds : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles F. Saul, 1920)

Saul's select seeds. 39th annual catalogue. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Charles F. Saul, 1919)

Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte - Hoffmann, Hermann, 1819 -1891 (Wirth, 1851)

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)

Schlegel & Fottler Co.'s specialties for 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Schlegel & Fottler Co, 1909)

Schlegel & Fottler Co.'s specialties for 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Schlegel & Fottler Co, 1910)

Die Schmetterlinge Deutschlands mit besonderer Berücksichtigung ihrer Biologie - Eckstein, Karl, 1859 -1930 (K.G. Lutz' Verlag, 1923)

Die Schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (E. Schweizerbart, 1910)

Die schmetterlinge von Europa - Ochsenheimer, Ferdinand, 1767 -1822 (Fleischer, 1807)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1884)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1875)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1883)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1884)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1911)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1911)

Schweizerisches Pflanzen-Idiotikon : ein Wörterbuch von Pflanzenbenennungen in den verschiedenen Mundarten der deutschen, französischen und italienischen Schweiz : nebst deren lateinischen, französischen und deutschen Namen : zum Gebrauch für Mediciner, Pharmaceuten, Lehrer, Droguisten und Botaniker - Durheim, Carl Jakob, 1780 - (Huber & Comp.(Körber), 1856)

Science - American Association for the Advancement of Science. ([s.n.], 1892)

Science - American Association for the Advancement of Science. ([s.n.], 1917)

Science - American Association for the Advancement of Science. ([s.n.], 1922)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1894)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1895)

Science studies, v.1, no. 1-3 - Montana Agricultural Experiment Station. (1905)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1909)

Scriptores de plantis hispanicis, lustanicis, brasiliensibus - Römer, J. J. (Johann Jacob), 1763 -1819 (In Officina Raspeana, 1796)

Season 1905 descriptive catalogue of seeds, bulbs and agricultural implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Martin H. Brunjes & Son, 1905)

Season 1906 descriptive catalogue of seeds, bulbs and agricultural implements - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Martin H. Brunjes & Son, 1906)

Seed and nursery book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1932)

Seed and nursery book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1933)