Plants of Haiti collected by W.J. Eyerdam - Eyerdam, Walter J. (Walter Jakob), 1892 -1974 (1927)

The plants of Michigan; simple keys for the identification of the native seed plants of the state - Gleason, Henry A. (Henry Allan), 1882 -1975 (G. Wahr, 1918)

Plants of Monroe County, New York, and adjacent territory - Beckwith, Florence. (1896)

The plants of Prince Edward Island - Erskine, D. S. (David Sterling) (Research Branch, Agriculture Canada, 1985)

Plants of Rhode Island : being an enumeration of plants growing without cultivation in the State of Rhode Island - Bennett, James Lawrence, 1832 -1904 (Providence Press, 1888)

Plants of the Bahamas, Jamaica and Grand Cayman - Hitchcock, A. S. (Albert Spear), 1865 -1935 (1893)

Plants of the U.S. Military Academy, West Point, New York - Barringer, Kerry Alan (Brooklyn Botanic Garden, 1990)

Plants reported resistant or tolerant to root knot nematode infestation - Tyler, Jocelyn, 1900 - (U.S. Dept. of Agriculture, 1941)

Plants, roses, bulbs for fall and winter blooming : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1924)

Plants, roses, bulbs for fall and winter blooming : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1925)

Plants, roses, bulbs for fall and winter blooming : fall 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ella V. Baines, 1925)

Plants, roses, bulbs for fall and winter blooming : Fall 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Company, 1921)

Plants, roses, bulbs for fall and winter blooming : fall 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Miss Jessie M. Good, 1925)

Plants, roses, bulbs for fall and winter blooming : fall 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1923)

Platanaceae through Myricaceae of New York State - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1988)

Platt's 1942 seeds for your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank S. Platt Co, 1942)

Pleistocene birds of the palearctic : a catalogue - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1998)

A pocket synopsis of the families of British flowering plants : (based upon the system of Engler) - Grove, W. B. (William Bywater), 1848 -1938 (University Press, 1915)

Popular botany; the living plant from seed to fruit - Step, Edward, 1855 -1931 (H. Holt and company, 1913)

Popular names of flowers, fruits, &c., as used in the county of Somerset and the adjacent parts of Devon, Dorset and Wilts - Macmillan, Alexander Stuart. (Western Gazette, 1922)

Populäre biologische Vorträge - Molisch, Hans, 1856 -1937 (G. Fischer, 1922)

The Portland catalogue of Maine plants - Portland Society of Natural History (Me.) (Transcript Print, 1868)

The Portland catalogue of Maine plants - Portland Society of Natural History (Me.) (Portland society of natural history, 1892)

Pot-pourri from a Surrey garden - Lytton, Constance, Lady, 1869 -1923 (E. P. Dutton, 1898)

Practical botany, structural and systematic, the latter portion being an analytical key to the wild flowering plants, trees, shrubs, ordinary herbs, sedges and grasses of the northern and middle United States east of the Mississippi - Koehler, August (H. Holt and Company, 1876)

Practical floriculture : a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd co, 1892)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd co, 1887)

Practical floriculture; a guide to the successful cultivation of florists' plants for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd, 1899)

The practical garden-book, containing the simplest directions for the growing of the commonest things about the house and garden - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Grosset & Dunlap, 1906)

Preliminary catalog of Anthophyta and Pteridophyta, reported as growing spontaneously within one hundred miles of New York City - Torrey Botanical Club. (1888)

Preliminary catalogue of Anthophyta and Pteridophyta, reported as growing spontaneously within one hundred miles of New York City - Torrey Botanical Club. (1888)

A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the Survey, 1881)

... A preliminary catalogue of the flora of New Jersey - Britton, Nathaniel Lord, 1859 -1934 (Office of the survey, 1881)

Preliminary catalogue of the flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (1892)

A preliminary catalogue of the flowering plants and higher cryptogams growing without cultivation within thirty miles of Hanover, N.H., to which is appended a list of the vertebrates of the same region - Jesup, Henry G. (Henry Griswold), 1826 -1903 (N.A. McClary, 1882)

Preliminary draft list of plant species for inclusion in a 'Responsibility List' of European plants - WCMC (WCMC, 1989)

Preliminary list of plants growing without cultivation in the vicinity of Manchester, New Hampshire - Batchelder, Frederick William. (Manchester institute of arts and sciences, 1909)

A preliminary list of the plants of New Brunswick - Fowler, James, 1829 -1923 (Ellis, Robertson & Co, 1885)

A preliminary list of the vascular plants of the Lackawanna and Wyoming valleys - Dudley, William Russel, 1849 -1911 (The Republican Press, 1887)

Preliminary name list of specimens collected by the collectors under direction of W. P. Fang - Fang, Wen-Pei (1939)

Price catalogue season 1909-1910 : fruit and ornamental trees, evergreens, palms, roses - Roeding, George Christian, 1868 -1928 (Geo. C. Roeding, 1909)

Price list Spring 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baker Bros. Co, 1920)

Price list 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baker Bros. Co, 1919)

Price list : 1927-1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Knull Floral Co, 1927)

Price list and catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Locke's Nursery & Floral Company, 1940)

Price-list : fall and winter 1925-1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Brothers' Royal Palm Nurseries, 1925)

Price list : fall and winter 1926-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, 1926)

Price list for 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yoars House Plant Nursery, 1958)

Price list, No. 16 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rapella Orchid Co, 1944)

Price list of cacti and succulents - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (De Wayne Cactus Gardens, 1948)

Price list of Fancher Creek Nurseries - Roeding, George Christian, 1868 -1928 (Geo. C. Roeding, 1905)

Price list of Fancher Creek Nurseries - Roeding, George Christian, 1868 -1928 (Geo. C. Roeding, 1906)

Price list of Fancher Creek Nurseries - Roeding, George Christian, 1868 -1928 (Geo. C. Roeding, 1900)

Price list of Fancher Creek Nurseries - Roeding, George Christian, 1868 -1928 (George C. Roeding, 1903)

Price list of Fancher Creek Nurseries - Roeding, George Christian, 1868 -1928 (George C. Roeding, 1904)

Price list of Fancher Creek Nurseries : 1901-1902 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nurseries, Incorporated, 1901)

Price list of Fancher Creek Nurseries : 1907-1908 - Roeding, George Christian, 1868 -1928 (Geo. C. Roeding, 1907)

Price list of Fancher Creek Nurseries : season of 1897-8 - Roeding, George Christian, 1868 -1928 (Geo. C. Roeding, 1897)

Price list of Fancher Creek Nursery for the season of 1894-95 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nursery, 1895)

Price list of Fancher Creek Nursery : the season of 1895-96 - Roeding, George Christian, 1868 -1928 (Fancher Creek Nursery, 1895)

Price list, season 1937-38 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Soule's Gladiolus Garden, 1937)

Price list : spring, 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baker Bros, 1921)

Price list : spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baker Bros, 1922)

Primeval Man : an examination of some recent speculations - Argyll, George Douglas Campbell, Duke of, 1823 -1900 (1869)

Principles and practice of butter-making; a treatise on the chemical and physical properties of milk and its components, the handling of milk and cream, and the manufacture of butter therefrom - McKay, George Lewis. (J. Wiley & sons; [etc., etc.], 1908)

Proceedings - Northern Crop Science Laboratory (U.S.) (USDA, ARS, Northern Crop Science Laboratory)

Proceedings and Transactions of the Croydon Microscopical & Natural History Club - Croydon Microscopical; Natural History Club. (1889)

Proceedings and Transactions of the Croydon Microscopical & Natural History Club - Croydon Microscopical; Natural History Club. (1895)

Proceedings and transactions of the Nova Scotian Institute of Natural Science - Nova Scotian Institute of Natural Science. (Nova Scotian Institute of Natural Science, 1870)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1874)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1889)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1895)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1865)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1890)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1902)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1846)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1880)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1920)

Proceedings of the Asiatic Society of Bengal - Asiatic Society of Bengal ([The Society], 1902)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1886)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1888)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1939)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1940)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1921)

Proceedings of the California Academy of Sciences 3d ser Zoology - California Academy of Sciences (The Academy, 1897)

Proceedings of the California Academy of Sciences 3d ser Zoology - California Academy of Sciences (The Academy, 1901)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1911)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1907)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1987)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2006)

Proceedings of the eighth Pacific Science Congress of the Pacific Science Association : held at the University of the Philippines, Diliman, Quezon City, 16th to 28th November 1953 - National Research Council of the Philippines. (National Research Council of the Philippines, University of the Philippines, 1955)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1970)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1901)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1908)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1918)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1951)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1901)

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, 1913)

The Proceedings of the Iowa Academy of Science - Iowa Academy of Science (The Academy, 1919)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1927)

Proceedings of the Manchester Literary and Philosophical Society - Manchester Literary; Philosophical Society. (The Society, 1880)

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

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1879)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1916)

Proceedings of the Royal Irish Academy - Royal Irish Academy. (Royal Irish Academy, 1917)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1850)

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1900)

Proceedings of the Scientific Association of Trinidad - Scientific Association of Trinidad. (1864)

Proceedings of the second annual Antelope States Workshop : February 16-17, 1966, Denver, Colorado - United States. Soil Conservation Service. ([Colorado Game, Fish, and Parks Department], 1966)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1902)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1923)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1897)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1900)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1905)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1912)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1870)

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.], 1871)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1881)

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

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1911)

Proceedings of the Zoological Society of London : an index to the artists, 1848-1900 - Johnson, Bryan R., 1956 - (Garland, 1986)

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)