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)

Park's autumn list of bulbs, plants and seeds : autumn of 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1914)

Park's floral guide : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1904)

Park's floral guide : 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1906)

Park's floral guide for 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1907)

Park's floral guide for 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1908)

Parks : a manual of municipal and county parks compiled as a result of a nation-wide study of municipal and county parks conducted by the Playground and Recreation Association of America, in co-operation with the American Institute of Park Executives at the request of the National Conference on Outdoor Recreation - American Institute of Park Executives. (A.S. Barnes & Co, 1928)

Parsons on the rose... - Parsons, Samuel B. (1869)

Parsons on the rose. A treatise on the propagation, culture, and history of the rose - Parsons, Samuel Bowne, 1819 -1906 (Orange Judd company, 1883)

Parsons on the rose : a treatise on the propagation, culture, and history of the rose - Parsons, Samuel Bowne, 1819 -1906 (Orange Judd, 1908)

Parsons on the rose, a treatise on the propagation, culture, and history of the rose - Parsons, Samuel Bowne, 1819 -1906 (Orange Judd, 1883)

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

Pennsylvania gardens - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1937)

Pennsylvania Nursery Company's general catalogue of nursery products in three parts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pennsylvania Nursery Company, 1912)

Pennsylvania Nursery Company's general catalogue of nursery products in three parts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pennsylvania Nursery Co, 1913)

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 and shrubs : 1924 issue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Newcomb & Gauss, 1924)

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 : 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 and shrubs : 1930 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thurlows & Stranger, Inc, 1930)

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 : 1932 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thurlows and Stranger, Inc, 1932)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1923 issue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Newcomb & Gauss, 1923)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1928 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.C. Thurlow's Sons, Inc, 1928)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1927 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.C. Thurlow's Sons, Inc, 1927)

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 and shrubs : 1933 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thurlow's and Stranger, Inc, 1933)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1926 issue superseding all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.C. Thurlow's Sons, Inc, 1926)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1925 issue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.C. Thurlow's Sons, Inc, 1925)

Peonies, hardy garden perennials, ornamental evergreens, shade trees and shrubs : 1922 issue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Newcomb & Gauss, 1922)

Peonies, iris, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson, Inc, 1920)

Perennial and annual plants, evergreen trees and shrubs : 1931 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunnyvale Gardens, 1931)

Perennial plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1930)

Perennials and other hardy ornamental plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1927)

Perennials for rockgardens, hardy border and general plantings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1928)

Perennials, rock-plants, shrubs, evergreens, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1938)

Perennials, rock-plants, shrubs, evergreens, roses, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1937)

Perennials : use hardy plants for winter forcing, for summer cutting, for landscaping, for potted plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1929)

Perry's seeds, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1936)

Perry's seeds, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1937)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1943)

Perry's seeds, bulbs, plants, poultry supplies & sundries, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1944)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1941)

Perry's seeds, bulbs, plants, poultry supplies and sundries, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1942)

Perry Seed Company, 1929 : successors to Fiske Seed Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1929)

Perry Seed Company, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1931)

Perry Seed Company, successors to Fiske Seed Company : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, 1930)

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

Peter Henderson & Co's manual of everything for the garden : 1892 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1892)

Peter's perennial and other plants : with which to create anew the old-time hardy gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Company, 1909)

Peter's plants : with which to create anew the old-time hardy gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Company, 1907)

Peter's plants : with which to create anew the old-time hardy gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Company, 1908)

Peterson Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Peterson, 1904)

Pflanzenbiologische Untersuchungen : nebst algologischen Schluszbemerkungen - Hansgirg, Antonin, 1854 -1917 (Alfred Hölder, 1904)

Die Pflanzenwelt Norwegens. Ein Beitrag zur Natur- und Culturgeschichte Nord-Europas - Schübeler, F. C. (Frederik Christian), 1815 -1892 (A.W. Brögger, 1873)

Pfund's dependable trees, shrubs, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pfund Nursery Co, 1922)

Pheasants and covert shooting - Maxwell, Aymer 1877 -1914 (Adam and Charles Black, 1913)

Pheasants and covert shooting - Maxwell, Aymer 1877 -1914 (A. and C. Black, 1913)

Philadelphia flower show - Pennsylvania Horticultural Society. (The Society, 1997)

Phlox, peonies, iris, etc., also a fine collection of perennials : roses, shrubs, evergreens, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frederic J. Rea, 1915)

The Phoenix Nursery Company Catalogue no. 3, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1915)

The Phoenix Nursery Company Catalogue no. 3, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloomington Phoenix Nursery, 1913)

The Phoenix Nursery Company [catalogue] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Phoenix Nursery Company, 1911)

PHS news - Pennsylvania Horticultural Society. (The Society, 1965)

PHS news - Pennsylvania Horticultural Society. (The Society, 1994)

Phytoneuron (Guy L. Nesom, 2012)

Phytoneuron (Guy L. Nesom, 2015)

Pictorial practical rose growing; a concise guide describing the propagation, pruning, and general culture of roses, both out of doors and under glass - Wright, Walter P. (Walter Page), 1864 -1940 (Cassell and company, limited, 1902)

Planning and planting service by Turner Bros. Nursery, West Long Branch, N.J - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1939)

Plans and plants for grounds and gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1919)

Plans for pleasant home surroundings - Flemer, William 1922 - (J. H. McFarland co., horticultural printers, 1903)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1900)

Plant Form - Bell, Adrian D. (OXFORD UNIVERSITY PRESS, 1991)

Plant hardiness zone map - United States. Agricultural Research Service. (Govt. Print. Off, 1960)

Plant hardiness zone map - American Horticultural Society. (Agricultural Research Service, 1965)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1923)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1924)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1926)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1932)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1934)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1923)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1966)

Plant materials 1923 : a catalogue of descriptions and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1923)

Plant materials : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1924)

Plant materials, 1925 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence Inc, 1925)

Plant materials, 1926 : a catalogue of description and prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1926)

Plant materials of decorative gardening; the woody plants - Trelease, William, 1857 -1945 (The author, 1921)

Plant production - Halligan, Charles Parker, 1881 - (American Book Co, 1919)

Plant production. Part I. Agronomy - Halligan, Charles Parker, 1881 - (American book company, 1919)

Plant responses to salinity : a supplement to an indexed bibliography - Francois, L. E. (National Technical Information Service], 1985)

Plant responses to salinity : an indexed bibliography (Office of the Regional Administrator for Agricultural Research (Western Region), Science and Education Administration, U.S. Department of Agriculture, 1978)

Plant to plant another tree : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Krause Nursery, 1923)

Plantae Thunbergianae : ein Verzeichnis der von C. P. Thunberg in Südafrika, Indien und Japan gesammelten und der in seinen Schriften beschriebenen oder erwähnten Pflanzen, sowie von den Exemplaren derselben, die im Herbarium Thunbergianum in Upsala aufbewahrt sind - Thunberg, Carl Peter, 1743 -1828 (A.-b. Akademiska bokhandeln, 1918)

Plantae Wilsonianae :an enumeration of the woody plants collected in western China for the Arnold arboretum of Harvard university during the years 1907, 1908, and 1910 - Sargent, Charles Sprague, 1841 -1927 (The University press, 1916)

Plantae Wilsonianae :an enumeration of the woody plants collected in western China for the Arnold arboretum of Harvard university during the years 1907, 1908, and 1910 - Sargent, Charles Sprague, 1841 -1927 (The University press, 1917)

Plantae Wilsonianae; an enumeration of the woody plants collected in western China for the Arnold arboretum of Harvard university during the years 1907, 1908, and 1910 - Sargent, Charles Sprague, 1841 -1927 (University Press, 1916)

Plantae Wilsonianae; an enumeration of the woody plants collected in western China for the Arnold arboretum of Harvard university during the years 1907, 1908, and 1910 - Sargent, Charles Sprague, 1841 -1927 (University Press, 1917)

Planter's special price list : for fall 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Maryland Nurseries, 1929)

Planter's special price list : for fall of 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1928)

Planters manual : hardy nursery stock for the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Star Nursery Company, 1927)

Planters manual : hardy nursery stock for the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Star Nursery Company, 1931)

Planters manual : hardy nursery stock for the Northwest - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Star Nursery Company, 1926)

Les plantes des montagnes et des rochers, leur acclimatation et leur culture dans les jardins - Correvon, Henry 1854 -1939 (L'auteur; [etc., etc.], 1914)

Planting for pleasure or profit - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Kentucky Nursery Co., Incorporated, 1924)

Planting guide and price list [of] nursery stock, seeds, fertilizers, sprays, bulbs : fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1922)

Planting guide ... for the Northwest : trees, shrubs, roses, peonies, vines, plants and fruits - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Milton Nursery Company, 1932)

Planting home grounds; the beautifying of home grounds by the planting of trees, shrubs, plants and flowers suitable for southern and central Kansas and vicinity - MacDonald, Alfred. (Board of park commissioners, 1924)

Planting list and estimate key - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rock Creek Nursery, 1926)

Planting the home grounds - McFarland, J. Horace (John Horace), 1859 -1948 (Countryside Press, 1915)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1945)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1948)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1951)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1960)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1963)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1964)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1965)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1967)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1968)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1970)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1976)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1977)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1980)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1981)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1982)