Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Oxford gardens. Based upon Daubeny's Popular guide to the physick garden of Oxford : with notes on the gardens of the colleges and on the University Park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker, 1912)

Die palaearktischen tortriciden. Eine monographische darstellung mit 24 tafeln in farbendruck, einer stammtafel und mehreren abbildungen im text. Mit einer unterstützung des "Elizabeth-Thompson-science fund" in Boston bearb. von dr. J. Kennel - Kennel, Julius von, 1854 -1939 (E. Schweizerbart, 1921)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1910)

Palaeontographica (Theodor Fischer, 1846)

Palaeontographica (Theodor Fischer, 1855)

Palaeontographica (Theodor Fischer, 1859)

Palaeontographica (Theodor Fischer, 1864)

Palaeontographica (Theodor Fischer, 1880)

Palaeontology - Palaeontological Association (Palaeontological Association, 1971)

Palestine : the physical geography and natural history of the Holy Land - Kitto, John, 1804 -1854 (Charles Knight, 1841)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1881)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1883)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1884)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1887)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1888)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1914)

Pamphlets on forest protection (1900)

Pamphlets on forestry (1900)

Pamphlets on forestry in California (1900)

Pamphlets on forestry in Hawaii (1900)

Pamphlets on forestry in Japan (1900)

Pamphlets on forestry in Kansas (1900)

Pamphlets on forestry in Maine (1900)

Pamphlets on forestry in Massachusetts (1900)

Pamphlets on forestry in Michigan (1900)

Pamphlets on forestry in Minnesota (1900)

Pamphlets on forestry in Montana (1900)

Pamphlets on forestry in Nebraska (1900)

Pamphlets on forestry in New Jersey (1900)

Pamphlets on forestry in New York (1900)

Pamphlets on forestry in North Dakota and South Dakota (1900)

Pamphlets on forestry in Ohio (1900)

Pamphlets on forestry in Pennsylvania (1900)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1955)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1964)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1993)

Papers on Coccidae or scale insects - United States. Bureau of Entomology. (Government Printing Office, 1908)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

Parerga lichenologica : Ergänzungen zum Systema lichenum Germaniae - Körber, Gustav Wilhelm, 1817 -1885 (E. Trewendt, 1865)

Le parfum chez la plante - Charabot, Eugène, 1870 -1938 (O. Doin, 1908)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1899)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1902)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1916)

The Park Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Park Nurseries, 1927)

Part first of a supplement to the Cybele Britannica : to be continued occasionally as a record of progressive knowledge concerning the distribution of plants in Britain - Watson, Hewett Cottrell, 1804 -1881 (Printed for private distribution, 1860)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

A partial list of plants available for various uses in general landscape planting - Taylor, Albert D. (Albert Davis), 1883 -1951 (A.D. Taylor, 1916)

Partial stock list of everything pertaining to horticulture for 1905 now in stock at the Universal Horticultural Establishment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, 1905)

Partial stock list of everything pertaining to horticulture for 1907 : now in stock at the Universal Horticultural Establishment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, 1907)

Paxton's Botanical dictionary; comprising the names, history, and culture of all plants known in Britain; with a full explanation of technical terms. New ed. including all the new plants up to the present year - Paxton, Joseph, Sir, 1803 -1865 (Bradbury, Evans, & co, 1868)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1847)

Pease Garden and Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pease Garden and Nursery, 1901)

Pennsylvania trees - Illick, Joseph S. (Joseph Simon), 1884 -1967 (W.S. Ray, State Printer, 1914)

Pennsylvania trees - Illick, Joseph S. (Joseph Simon), 1884 -1967 (W. S. Ray, State Printer, 1915)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1931 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thurlow's and Stranger, Inc, 1931)

Peonies, hardy garden perennials, ornamental evergreens, shade trees, shrubs : 1936, superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1936)

Peonies, hardy garden perennials, ornamental evergreens, shade trees, shrubs : 1938, superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1938)

Peonies, hardy garden perennials, ornamental evergreens, shade trees, shrubs : 1937, superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cherry Hill Nurseries, 1937)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1934 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thurlow's and Stranger, Inc, 1934)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1935 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thurlow's and Stranger, Inc, 1935)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1933 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thurlow's and Stranger, Inc, 1933)

The perfect garden, how to keep it beautiful and fruitful, with practical hints on eonomical management and the culture of all the principal flowers, fruits, and vegetables - Wright, Walter P. (Walter Page), 1864 -1940 (J. B. Lippincott company; [etc., etc.], 1908)

Periodical catalogue of fruit and ornamental trees and plants, cultivated at the Highland Nurseries, Newburgh, near New York - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. Saul & Co)

The periodicity and distribution of radial growth in trees and their relation to the development of "annual" rings - Grossenbacher, John Gasser, 1875 - (1915)

Die periodischen Erscheinungen der Reproduktion der Kiefer an der polaren Waldgrenze - Renvall, August, 1884 -1925 (J. Simelii arvingars boktr, 1912)

Perkins-DeWilde Nurseries, Incorporated, 1957-58, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1957)

Personal narrative of travels to the equinoctial regions of the New continent during the years 1799-1804 - Humboldt, Alexander von, 1769 -1859 (G. Bell, 1877)

Personal narrative of travels to the equinoctial regions of America, during the year 1799-1804 - Humboldt, Alexander von, 1769 -1859 (Bohn, 1852)

Personal narrative of travels to the equinoctial regions of America during the years 1799 - 1804 - Humboldt, Alexander von, 1769 -1859 (George Routledge, 1895)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)