Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1958)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1967)

Proceedings of the Washington Academy of Sciences - Washington Academy of Sciences (Washington, D.C.) (Washington Academy of Sciences, 1901)

Proceedings of the Yorkshire Geological and Polytechnic Society - Yorkshire Geological; Polytechnic Society. (Yorkshire Geological and Polytechnic Society, 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1892)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1905)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1833)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1906)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1907)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1912)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1899)

Prodrome de la flore du Grand-Duché de Luxembourg - Koltz, J. P. J. (Jean Pierre Joseph), 1827 -1907 (L. Schamburger, 1873)

Prodromo della storia naturale generale e comparata d'Italia ... - Marmocchi, Francesco Constantino, 1805 -1858 (Società editrice fiorentina, 1844)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1889)

Prodromus florae Batavae - Dozy, F. (Frans), 1807 -1856 (Sumptibus Societatis, apud J. Hazenberg, 1850)

Prodromus florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1861)

Prodromus florae hispanicae, seu synopsis methodica omnium plantarum in Hispania - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1861)

Prodromus florae hispanicae, seu synopsis methodica omnium plantarum in Hispania - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1870)

Prodromus florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1870)

Prodromus florae Hispanicae :seu Synopsis methodica omnium plantarum in Hispania, sponte nascentium vel frequentius cultarum quae innotuerunt - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1880)

Prodromus florae hispanicae, seu synopsis methodica omnium plantarum in Hispania - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1880)

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, 1836)

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, 1838)

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, 1846)

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, 1847)

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, 1849)

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)

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

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

Pteridologist - British Pteridological Society. (The Society, 1985)

Publications in botany - National Museum of Natural Sciences (Canada) (The Museum, 1973)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1973)

Quaker Hill Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quaker Hill Nurseries, 1928)

Quality nursery stock : fruit and ornamental trees, vines, shrubs, roses, berry plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fremont Nursery, 1919)

Quality nursery stock : wholesale list, season 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rich & Sons Nursery, 1946)

Quality Seed & Bulb Co's wholesale price list for market gardeners and florists : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Quality Seed & Bulb Co, 1923)

Quality seeds, plants bulbs and garden supplies : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tether & Don, 1931)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1883)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1905)

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

Rainbow iris offerings, 1946 : gladiolus, lilies, unusual seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rainbow Hybridizing Gardens, 1946)

Rainbow offerings iris 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rainbow Hybridizing Gardens, 1949)

Rainbow offerings iris : 1950, a catalog for iris lovers and hybridizers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rainbow Hybridizing Gardens, 1950)

Rapid ecological assessment of selected state lands in southcentral Montana for plant species of special concern - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1993)

Rare iris & peonies, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1936)

Rare iris and peonies, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1937)

Rare iris, peonies, hemerocallis, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1935)

Rare iris species and varieties, the Amaryllis family, lilies in name only : summer and fall 1933 - spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gordon Ainsley, 1933)

Rare irises and peonies, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1939)

Rare irises and peonies, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Wayman, 1940)

Ratekin's annual 1916 32nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ratekin's Seed House, 1916)

Répertoire des plantes utiles et des plantes vénéneuses du globe contenant la synonymie latine et française des plantes, leurs noms vulgaires français et l'indication de leurs usages ... précédé d'un traité indispensable aux personnes qui veulent herboriser, et composer des herbiers - Duchesne, E. A. (Edouard Adolphe), 1804 -1869 (J. Renouard, 1836)

Reading Naturalist. Reading - Reading Natural History Society.

Receiver's sale of nursery and greenhouse stock [No. 3] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Co, 1914)

Recommended varieties for fall planting : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lovett's Nursery, Inc, 1928)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1907)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1911)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2014)

Reference catalogue of fruit and ornamental trees, shrubs, roses, grape vines and small fruit - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Brothers Company, 1927)

A reference list of special stock including shade trees and evergreens of unusual size and quality : write for prices - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1923)

Refugium botanicum : or figures and descriptions from living specimens, of little known or new plants of botanical interest - Baker, John Gilbert, 1834 -1920 (J. van Voorst, 1869)

Regni vegetabilis systema naturale, sive Ordines, genera et species plantarum secundum methodi naturalis normas digestarum et descriptarum - Candolle, Augustin Pyramus de, 1778 -1841 (sumptibus sociorum Treuttel et Würtz, 1821)

Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1908)

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)

Reliquiae Haenkeanae, seu, Descriptiones et icones plantarum :quas in America meridionali et boreali, in insulis Philippinis et Marianis collegit Thaddaeus Haenke - Šternberg, Kašpar, Graf, 1761 -1838 (Apud J.G. Calve, 1830)

Rennie's 1901, Toronto [seed annual catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Rennie Co, 1901)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1842)

Repertorium botanices systematicae - Walpers, Wilhelm Gerhard, 1816 -1853 (Sumtibus Friderici Hofmeister, 1843)

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

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1910)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1913)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1932)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1933)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1945)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1895)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1885)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1904)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1878)

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

Report on the collections of natural history made in the Antarctic regions during the voyage of the "Southern Cross." - British Museum (Natural History) (Printed by order of the Trustees, 1902)

Report on the conservation status of Howellia aquatilis, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

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, 1880)

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, 1886)

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, 1889)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (1903)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Royal Society (Great Britain) (1905)

Report upon the fauna of Liverpool Bay and the neighboring seas - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (Longmans, Green, 1895)

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.], 1854)

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 Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1901)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1902)

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)