Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1869)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1873)

Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1874)

Progress Nursery Company : Dinsmore's book of things that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Progress Nursery Co, 1922)

Protected Areas of the World: a review of national systems. Vol 4: Nearctic and Neotropical (1992)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1935)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1942)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1962)

The Prothonotary - Buffalo Ornithological Society. (Buffalo Ornithological Society, 1996)

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

A provisional list of the indigenous and naturalized flowering plants of Jamaica - Fawcett, William, 1851 -1926 (Aston W. Gardner & Co, 1893)

A provisional list of the parasitic fungi of Wisconsin - Davis, John Jefferson. (1914)

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

Pteridologist - British Pteridological Society. (The Society, 2010)

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

Publication. Field Columbian Museum Botanical series - Field Columbian Museum. (Field Columbian Museum, 1902)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1930)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1941)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1931)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1936)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1937)

Publication. Field Museum of Natural History Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1938)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1856)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1915)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1914)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1869)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1887)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1920)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1903)

The Queensland flora - Bailey, Frederick Manson 1827 -1915 (Printed by H. J. Diddams & co, 1902)

The Queensland flora - Bailey, Frederick Manson 1827 -1915 (Printed by H. J. Diddams & co, 1905)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2001)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2002)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2006)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2004)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2007)

Rapid inventories, biological and social - Field Museum of Natural History. (Field Museum, 2008)

Rare plant list No. 4 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fantastic Gardens, 1955)

Rare plant list : summer - 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fantastic Gardens, 1952)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1893)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1904)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1913)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1912)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1953)

Records of the Botanical Survey of India - Botanical Survey of India. (Office of Supt. of Govt. Print., India, 1921)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1910)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1923)

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

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1900)

A refutation of the Darwinian conception of the origin of mankind - Stallcup, John C. (John Calhoun), 1841 - (Allen & Lamborn printing company, 1905)

Rennie's 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Rennie Co, 1902)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

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

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1919)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1912)

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1917)

Report of marine borer conference - University of Miami. Marine Laboratory. (1953)

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. (1842)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1880)

Report of the Bureau of Fisheries - United States. Bureau of Fisheries. (G.P.O, 1905)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1878)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1877)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1884)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1885)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1886)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1889)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1894)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1895)

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 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 geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1906)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1904)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1936)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1938)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1939)

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

Report on the geological survey of the State of Iowa, to the Thirteenth General Assembly, January, 1870, containing results of examinations and observations made within the years 1866, 1867, 1868, and 1869 - White, Charles A. (Charles Abiathar), 1826 -1910 (Printed and Pub. by Mills, 1870)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1936)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1939)

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)

A report to the National Academy of Sciences-National Research Council, Committee on Oceanography from a sub-committee of the Committee on Effects of Atomic Radiation on Oceanography and Fisheries concerning the feasibility of the disposal of low level radioactive wastes into the inshore waters of the Atlantic and Gulf Coasts of the United States - National Academy of Sciences (U.S.). Committee on Effects of Atomic Radiation on Oceanography; Fisheries. (National Academy of Sciences-National Research Council, 1958)

Report upon the Cypress Creek drainage district, Desha and Chicot Counties, Arkansas - McCrory, S. H. (Samuel Henry), 1879 - (U.S. Dept. of Agriculture, 1915)

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.], 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 of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1903)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1914)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1901)

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

Research studies on the curing of leaf tobacco - Bacon, C. W. (Charles Walter) 1886 - (U.S. Dept. of Agriculture, 1914)

Resource management report - Ontario. Fish; Wildlife Branch.

Retail catalogue and buyers' guide Season 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rush Park Seed Co, 1918)

Retail catalogue and planters' guide 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rush Park Seed Co, 1919)

Retail catalogue and planters' guide : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rush Park Seed Co, 1920)

Retail catalogue : cacti, succulents, house plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreline Nurseries Inc, 1956)

Retail catalogue : fruit and ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Christensen & Huston, 1895)

Retail catalogue planters' guide : 1921, everything for the garden, lawn and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mel. L. Webster Co, 1921)

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

Retail price list : landscape plants, paradise palms, shade trees : winter 1953-54 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Keeline-Wilcox Nurseries, 1953)

Retail price list [of] fruit, shade and ornamental trees, vines and shrubs : fall, 1924-spring, 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albany Nurseries, 1924)

A revised catalogue of the indigenous flowering plants and ferns of Ceylon - Willis, J. C. (John Christopher), 1868 -1958 (H.C. Cottle, Govt. Printer, 1911)