Preis Verzeichnis über Gemüse Feld und Blumen Sämereien - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. Schwake, 1895)

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)

A preliminary list of the vascular flora of Allegheny County, Pennsylvania - Shafer, John Adolph, 1863 -1918 (Carnegie Institute Museum?, 1901)

A preliminary verified list of plant collectors in Mexico - Knobloch, Irving W. (Irving William), 1907 - (Harold N. Moldenke and Alma L. Moldenke, 1983)

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

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

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

Price list : 1929 : fruit trees, grape and berry vines, ornamental trees and shrubs, roses, palms and tropical plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1929)

Price list and catalog, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 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 market gardeners and florists : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Import, 1927)

Price list for spring of 1871 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Williamsville Nursery, 1871)

Price list for the trade - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sun Nurseries, 1928)

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 (Geo. C. Roeding, 1900)

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

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 : 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 of ornamental trees, plants : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1922)

Price list of the Orange County Nursery and Land Company - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orange County Nursery and Land Company, 1910)

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

Primitiae florae costaricensis - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état, 1891)

Prince's select catalogue of fruit & ornamental trees, plants, &c., extracted from their general catalogues of which copies exist in almost every town of the union, and which can be referred to by those who desire more extensive assortments - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1854)

Prince's select catalogue of fruit & ornamental trees, plants, &c., extracted from their general catalogues of which copies exist in almost every town of the union, and which can be referred to by those who desire more extensive assortments - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1855)

Principia botanica: or, a concise and easy introduction to the sexual botany of Linnaeus ... - Linné, Carl von, 1707 -1778 (Printed by Allin and co. and sold by G. G. J. and J. Robinson, London, 1787)

Principia botanica: or, A concise and easy introduction to the sexual botany of Linnaeus ... Arranged in a tabular form, under each class and order; and digested alphabetically under several generic distinctions. Together with three indexes ... Also a table of several vegetable drugs not in the indexes ... - Darwin, Robert Waring, 1724 -1816 (Printed and sold by M. Hage; [etc., etc.], 1810)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1915)

The principles of plant-teratology - Worsdell, Wilson Crosfield (The Ray Society, 1916)

Proceedings - Essex Institute. (1856)

Proceedings. - Entomological Society of Ontario. (1887)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1858)

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, 1891)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1898)

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, 1862)

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, 1884)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1885)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1886)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1889)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1892)

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1899)

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

Proceedings of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (Metcalf and Co, 1903)

Proceedings of the annual convention of the society of American Florists - Society of American Florists; Ornamental Horticulturists. (Society of American Florists and Ornamental Horticulturalists, 1885)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1941)

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 - California Academy of Sciences (California Academy of Sciences, 1893)

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 Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1998)

Proceedings of the Essex Institute - Essex Institute. (Essex Institute Press, 1866)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1912)

Proceedings of the Hawaiian Entomological Society - Hawaiian Entomological Society. (Hawaiian Entomological Society, 1921)

Proceedings of the Horticultural Society of London - Royal Horticultural Society (Great Britain) (Bradbury and Evans, 1838)

Proceedings of the Horticultural Society of London - Royal Horticultural Society (Great Britain) (Bradbury and Evans, 1841)

Proceedings of the Horticultural Society of London - Royal Horticultural Society (Great Britain) (Bradbury and Evans, 1842)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1891)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1910)

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

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1848)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1870)

Proceedings of the Linnean Society of London - Linnean Society of London. (Published for the Linnean Society of London by Academic Press [etc.], 1909)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 2018)

Proceedings of the National Academy of Sciences of the United States of America - National Academy of Sciences (U.S.) (National Academy of Sciences [etc.], 1917)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1862)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1863)

Proceedings of the Royal Horticultural Society London (Royal Horticultural Society, 1865)

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

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.], 1919)

Prodromus florae Novae Hollandiae et Insulae Van-Diemen : exhibens characteres plantarum - Brown, Robert, 1773 -1858 (Sumtibus L. Schrag, 1827)

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, 1844)

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, 1857)

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)

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

Pronunciation of plant names - Garden Club of America. (Reproduced and printed by National Process Company], 1922)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 2010)

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

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 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, 1929)

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, 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)