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Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 1985)

Proceedings of the Nova Scotian Institute of Science - Nova Scotian Institute of Science. (Nova Scotian Institute of Science, 2012)

Proceedings of the Rochester Academy of Science - Rochester Academy of Science. (The Academy, 1894)

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.], 1899)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1897)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1906)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1907)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1915)

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

Qualitative alkaloid tests - Schubert, Bernice, 1913 -2000 (1954)

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

Range and pasture management - Sampson, Arthur W. (Arthur William), 1884 -1967 (John Wiley, 1923)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U. S. Govt. print. off, 1937)

Range plant handbook - Dayton, William A. (William Adams), 1885 - (U.S. Govt. print. off, 1937)

Rare plants : autumn, 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank W. Campbell, 1929)

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

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)

Recreation - Shields, G. O. (George Oliver), 1846 -1925 (G.O. Shields (Coquina), 1902)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1910)

The reforestation of sand plains in Vermont - Howe, Clifton D. (Clifton Durant), 1874 - (1910)

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)

Relation de la quatrième fête champêtre célébrée à Meudon par la Société linnéenne de Paris, le 24 mai 1825, jour anniversaire de la naissance de Linné - Société Linnéenne de Paris (Impr. de Lebel, 1825)

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

Rendiconto delle adunanze e de' lavori dell'Accademia delle Scienze sezione della Società Reale Borbonica di Napoli - Accademia delle Scienze di Napoli (Società Reale Borbonica, 1843)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1934)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1929)

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

Report of the Brown-Harvard Expedition to Nachvak, Labrador, 1900 - Delabarre, Edmund Burke, 1863 - (Preston & Rounds Co, 1902)

Report of the Brown-Harvard expedition to Nachvak, Labrador, 1900 - Delabarre, Edmund Burke, 1863 - (Preston & Rounds co, 1902)

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 flora of Westchester County - Bolton, Robert, 1814 -1877 (Roper & Burdge, 1880)

Report of the Museum of Natural History, Springfield, Massachusetts - Museum of Natural History (Springfield, Mass.) (The Museum, 1897)

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)

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Report on explorations in James' Bay and country east of Hudson Bay drained by the Big, Great Whale and Clearwater Rivers - Macoun, James Melville, 1862 -1920 (W.F. Brown, 1888)

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Report on the flora of St. Andrews, N.B - Fowler, James, 1829 -1923 (Printed by S.E. Dawson, 1901)

Report on the indigenous medical botany of Massachusetts - Williams, Stephen W. (Stephen West), 1790 -1855 (1849)

Report on the New York Botanical Garden - Olmsted Brothers. ([s.n.], 1924)

A report on the trees and shrubs growing naturally in the forests of Massachusetts : Published agreeably to an order of the Legislature, by the Commissioners on the zoological and botanical survey of the state - Emerson, George B. (George Barrell), 1797 -1881 (Dutton and Wentworth, Printers, 1846)

A report on the trees and shrubs growing naturally in the forests of Massachusetts. Originally published agreeably to an order of the legislature by the commissioners on the zoological and botanical survey of the state - Emerson, George B. (George Barrell), 1797 -1881 (Little, Brown, and Co, 1875)

A report on the trees and shrubs growing naturally in the forests of Massachusetts - Emerson, George B. (George Barrell), 1797 -1881 (Little, Brown, and Company, 1903)

A report on the trees and shrubs growing naturally in the forests of Massachusetts. Originally published agreeably to an order of the Legislature, by the Commissioners on the Zoological and Botanical Survey of the State - Emerson, George B. (George Barrell), 1797 -1881 (Brown, 1894)

Report upon forestry. From the committee appointed to memorialize Congress and the state legislatures, regarding the cultivation of timber and the preservation of forests - Hough, Franklin Benjamin, 1822 -1885 (Govt. Print. Off, 1878)

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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.], 1859)

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 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.], 1860)

Reports on aquatic insects - Needham, James G. (James George), 1868 -1957 (Univ. of the State of N.Y, 1901)

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

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)

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

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

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1921)

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

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)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1888)

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

Revue horticole (Librairie agricole de la maison rustique, 1886)

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

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

Revue horticole (Librairie agricole de la maison rustique, 1903)

Revue mycologique (Bureaux de la rédaction, 1903)

Rhododendrons, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl S. English, Jr, 1947)

Rhododendrons, azaleas, mountain laurel, Pieris floribunda and other native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (La Bars' Rhododendron Nursery, 1957)

Rhododendrons : azaleas, moutain laurel, pieris floribunda and other native plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (La Bars' Rhododendron Nursery, 1949)

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

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.], 1901)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1903)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1904)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1909)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1911)

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1915)

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.], 1919)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1920)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1921)

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.], 1927)

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.], 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.], 1948)

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

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

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1961)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1962)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1963)