The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1927)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1875)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1881)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1889)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1891)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1895)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1897)

Proceedings of the ... session of the American Pomological Society - American Pomological Society. (The Society, 1903)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1885)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1916)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1957)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1959)

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

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, 1911)

Proceedings of the Zoological and Acclimatisation Society of Victoria, and report of the annual meeting of the society - Zoological; Acclimatisation Society of Victoria. (F. A. Masterman, 1872)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1882)

Prodromus Florae Peninsulae Indiae Orientalis :containing abridged descriptions of the plants found in the peninsula of British India, arranged according to the natural system : Vol. 1 - Wight, Robert, 1796 -1872 (Parbury, Allen & Co, 1834)

Prodromus plantarum indiae occidentalis :hucusque cognitarum tam in oris Americae Meridionalis, quam in insulis Antillicis sponte crescentium, aut ibi diuturne hospitantium, nova genera et species hactenus ignotas complectens - Hamilton, William, 1788 -1856 (Treuttel et Würtz, 1825)

Prodromus stirpium in horto ad Chapel Allerton vigentium - Salisbury, R. A. (Richard Anthony), 1761 -1829 ([s.n.], 1796)

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, 1828)

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, 1842)

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)

Programme du cours d'histoire naturelle médicale professé à la Faculté de médecine de Paris. 3ème partie, Etude spéciale des plantes employées en médecine - Baillon, H. (Henri), 1827 -1895 (F. Savy, 1878)

Progress report on pesticides and related activities - United States. Department of Agriculture. (1967)

The protection of small fruits and berries, 1980-April 1989 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1989)

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)

Proximate composition of fresh fruits - Chatfield, Charlotte, 1893 - (Government Printing Office, 1931)

Proximate composition of fresh fruits - Chatfield, Charlotte, 1893 - (U.S. Dept. of Agriculture, 1928)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1899)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1968)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2012)

Publicações. Comissão de linhas telegraficas estratégicas de Mato Grosso ao Amazonas (A Comissão, 1954)

Publicações Avulsas do Museu Paraense Emílio Goeldi (Museu Paraense Emílio Goeldi, 1973)

Publicações Avulsas do Museu Paraense Emílio Goeldi (Museu Paraense Emílio Goeldi, 1974)

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1895)

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, 1898)

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

Publication. Field Columbian Museum. Botanical series - Field Columbian Museum. (Field Columbian Museum, 1900)

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

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, 1931)

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, 1936)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1958)

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

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1939)

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, 1944)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1950)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1952)

[Publications] - Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Printing, 1903)

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

Quarterly journal of the Florida Academy of Sciences - Florida Academy of Sciences. (Florida Academy of Sciences, 1961)

Quarterly summary of re-identifications, October, November, December 1961 : Summary No. 7 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1912)

The Queensland flora - Bailey, Frederick Manson 1827 -1915 (Printed by H. J. Diddams & co, 1900)

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

Queensland garden manual; containing concise directions for the cultivation of the garden, orchard, and farm in Queensland - Hockings, Albert John. (Printed by A. Claghorn, 1875)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1928)

The races of man and their geographical distribution - Pickering, Charles, 1805 -1878 (Printed by C. Sherman, 1848)

Rambles of a naturalist on the shores and waters of the China Sea : being observations in natural history during a voyage to China, Formosa, Borneo, Singapore, etc., made in Her Majesty's vessels in 1866 and 1867 - Collingwood, Cuthbert, 1826 -1908 (J. Murray, 1868)

Rambles on the Riviera - Strasburger, Eduard, 1844 -1912 (C. Scribner's Sons, 1906)

Random notes on natural history (Southwick & Jencks, 1885)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2003)

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

Rare and endangered plants of Puerto Rico : a committee report - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service in cooperation with the Department of Natural Resources, Commonwealth of Puerto Rico, 1975)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1904)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1903)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1902)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1901)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1897)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1899)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1895)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1898)

Rare Florida flowers and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jessamine Gardens, 1900)

Rare Florida flowers and fruits, 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pike & Ellsworth, 1896)

Rare tropical trees of south Florida - Little, Elbert L. (Elbert Luther), 1907 -2004 (U.S. Dept. of Agriculture, Forest Service, 1976)

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)

Recherches sur l'anatomie comparée des calycanthées, des mélastomacées et des myrtacées - Lignier, Octave, 1855 -1916 (O. Doin, 1887)