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

The plants of Southern New Jersey with especial reference to the flora of the pine barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (1911)

The plants of Southern New Jersey; with especial reference to the flora of the Pine Barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (1911)

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

Plantsman - New Hampshire Plant Growers' Association. (1995)

Plantsman - New Hampshire Plant Growers' Association. (1999)

Pleasant talk about fruits, flowers and farming - Beecher, Henry Ward, 1813 -1887 (J.B. Ford and Co, 1874)

Poisonous plants of Canada - Mulligan, Gerald A., 1928 - (Agriculture Canada, 1990)

Poisonous plants of the Midwest - University of Illinois at Urbana-Champaign. Dept. of Landscape Architecture. (Dept. of Landscape Architecture, University of Illinois, 1983)

Pollen studies in the Crusoe Lake area of prehistoric Indian occupation - Cox, Donald D. (University of the State of New York, 1965)

The Polyporaceae of Wisconsin - Neuman, Julius John. (The State, 1914)

Pomona Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.E. Steele, 1912)

Pomona Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.E. Steele, 1910)

The Popular science monthly - Harry Houdini Collection (Library of Congress) (Popular Science Pub. Co., etc, 1882)

Popular Science Review (1863)

Postglacial vegetational changes along an elevational gradient in the Adirondack Mountains (New York) : a study of plant macrofossils - Biological Survey (N.Y.) (University of the State of New York, State Education Dept., New York State Museum, Biological Survey, 1989)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1979)

Potter's cyclopaedia of botanical drugs and preparations - Holmes, E. M. (Edward Morell), 1843 -1930 (Potter & Clarke, 1915)

Potter's cyclopedia of botanical drugs and preparations - Wren, R. C. (Richard Cranfield), 1864 -1931 (Potter & Clarke, 1900)

Practical agriculture - James, C. C. (Charles Canniff), 1863 -1916 (D. Appleton, 1899)

Practical arboriculture; how forests influence climate, control the winds, prevent floods, sustain national prosperity, a text book for railway engineers, manufacturers, lumbermen and farmers - Brown, John Pinkney, 1842 -1915 ([Hennebery Press], 1906)

Practical arboriculture; how forests influence climate, control the winds, prevent floods, sustain national prosperity; a text book for railway engineers, manufacturers, lumbermen and farmers. How, where and what to plant for the rapid production of lumber, cross-ties, telegraph poles and other timbers, with original photographs by the author - Brown, John Pinkney, 1842 -1915 ([The Henneberry press, Chicago], 1906)

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 forestry - Mattoon, Wilbur R. (Wilbur Reed), 1875 -1941 (Connecticut Forest and Park Association, 1939)

Practical forestry in the Adirondacks - Graves, Henry S. (Henry Solon), 1871 -1951 (Dept. of Agriculture, Forestry Division, 1899)

Practical forestry. A treatise on the propagation, planting, and cultivation, with a description, and the botanical and popular names of all the indigenous trees of the United States - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd company, 1884)

Practical forestry. A treatise on the propagation, planting and cultivation, with a description, and the botanical and popular names of all the indigenous trees of the United States - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd Co, 1884)

Practical foresty; a popular handbook on the rearing and growth of trees for profit or ornament - Webster, A. D. (Angus Duncan), 1855 -1931 (W. Rider, 1917)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

Practical landscape gardening : with reference to the improvement of rural residences, giving the general principles of the art : with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & Co., No. 25 West Fourth Street, 1855)

Practical landscape gardening, with reference to the improvement of rural residences, giving the general principles of the art; with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & co, 1855)

Practical landscape gardening, with reference to the improvement of rural residences, giving the general principles of art; with full directions for planting shade trees, shrubbery and flowers, and laying out grounds - Kern, G. M. (Moore, Wilstach, Keys & co, 1855)

Practical plant propagation; an exposition of the art and science of increasing plants as practiced by the nurseryman, florist and gardener - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare company, inc, 1922)

Practices for protecting and enhancing fish and wildlife on coal surface-mined land in the southcentral U.S - U.S. Fish; Wildlife Service. Office of Biological Services. (U.S. Department of the Interior, Fish and Wildlife Service, Office of Biological Services, 1983)

Predicting wood volumes for ponderosa pine from outside bark measurements - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1976)

The preferred plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1926)

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

Preliminary enumeration of the lichens of Lancaster County, Pennsylvania - Heller, Amos Arthur, 1867 -1944 ([s.n.], 1893)

A preliminary list of Maine fungi - Ricker, Percy Leroy, 1878 -1973 (1902)

Preliminary list of plants of the Metropolitan Park Reservations, 1895 - Massachusetts. Metropolitan Park Commission. (1895)

A preliminary list of the birds of Wayne County, Ohio - Oberholser, Harry C. (Harry Church), 1870 -1963 (Westbote Co., State Printers, 1896)

Preliminary list of the plants growing without cultivation in Alabama - Mohr, Charles (Charles Theodore), 1824 -1901 (1880)

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

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

Preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57 - Warren, Gouverneur Kemble, 1830 -1882 (Govt. Print. Off, 1875)

The preservation and management of vegetation in ravines in Highland Park, Illinois : a report - Illinois. Natural History Survey Division (The Survey, 1977)

Preservation of natural features and scenic views in New York City - Clarke & Rapuano. (The Department, 1974)

Price 1951 list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1951)

Price 1952 list : evergreens, shade trees, flowering shrubs, hedges, fruit trees, roses, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eisler Nurseries, 1952)

Price list - American Forestry Co. (American Forestry Co, 1914)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1903)

Price list - American Forestry Co. (American Forestry Co, 1915)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1904)

Price list - American Forestry Co. (American Forestry Co, 1916)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1905)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1906)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1907)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1908)

Price list - California Nursery Co. (The Nursery, 1917)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1909)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1942)

Price list No. 108 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greening Nursery Company, 1958)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James Krewson & Sons, 1924)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sea Island Nursery, 1951)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sea Island Nursery, 1950)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sea Island Nursery, 1957)

Price list No. 12 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1922)

Price list No. 15 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1925)

Price list No. 16 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ashford Park Nurseries, 1926)

Price list 1909-1910 : fruit and ornamental trees evergreens, palms, shrubs, roses etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1909)

Price-list, 1910 of native ferns, wild flower and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving Holcomb, 1910)

Price list : 1911-1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1910)

Price list : 1911-1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1911)

Price list : 1913-1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1913)

Price list : 1916-1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1916)

Price list : 1917-1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1917)

Price list : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nurseries of Berlin, Penna, 1929)

Price list : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nurseries of Berlin, Penna, 1930)

Price list : 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Nurseries of Berlin, Penn'a, 1932)

Price list, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1934)

Price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1938)

Price list, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1940)

Price list : 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1940)

Price list, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1942)

Price list, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1943)

Price list, 1943–1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1943)

Price list : 1943 fall season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Columbia & Okanogan Nursery Company, 1943)

Price list, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woodcock Nurseries, 1946)

Price list, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woodcock Nurseries, 1947)

Price list, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woodcock Nurseries, 1948)

Price list, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1949)

Price list, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1950)

Price list 1953 : evergreens, shade trees, flowering shrubs, hedges, fruit trees, roses, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eisler Nurseries, 1953)

Price list 1954 : evergreens, shade trees, flowering shrubs, hedges, fruit trees, roses, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eisler Nurseries, 1954)

Price list and condensed catalogue : 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Columbia & Okanogan Nursery Company, 1942)

Price list : complete landscape department : nursery stock of distinction - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1945)

Price list, effective February 1, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Long-Bell Lumber Company, 1935)

Price list fall, 1901 : healthy and hardy deciduous and evergreen trees, shrubs, vines, etc., etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thaddeus N. Yates & Co, 1901)

Price list : fall, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcott Nursery Company, 1929)

Price list, fall 1932-spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1932)

Price list, fall 1933-spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1933)

Price list, fall 1933 - spring 1934 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1933)

Price list, fall 1934-spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1934)

Price list, fall 1935-spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1935)

Price list, fall 1936-spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Shore Nurseries, Inc, 1936)

Price list, fall 1936 spring 1937 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1936)

Price list, fall 1944–spring 1945 : roses, evergreens, trees, shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1944)

Price list : fall 1953, spring 1954 Number one hundred four - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greening Nursery Company, 1953)

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 1933-1934, to be used in connection with our descriptive catalogue of 1931 and 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1933)

Price list for 1935 : trees, shrubs, vines, hardy herbaceous perennials, bedding plants, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1935)

Price list for fall 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1941)

Price list for fall 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1947)

Price list for fall 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1949)

Price list for fall 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1950)

Price list for fall 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1952)

Price-list for fall and spring of 1909-1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joliet Nurseries, 1909)

Price list for spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1941)

Price list for spring 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1948)

Price list for spring 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1952)

Price list for spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1949)

Price list : nursery stock of distinction : complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1952)

Price list : nursery stock of distinction : complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1953)

Price list : nursery stock of distinction : complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1954)

Price list of fruit and ornamental trees, small fruits, evergreens, roses, etc., of the California Nursery Co - California Nursery Co. (The Nursery, 1915)

Price list of fruit and ornamental trees, small fruits, evergreens, roses, etc., of the California Nursery Co - California Nursery Co. (The Nursery, 1881)

Price list of Meehan-grown trees, shrubs, evergreens and hardy garden flowers : autumn 1921- spring 1922, supplementing Meehans' manual of outdoor plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1921)

Price list of specimen trees, shrubs, roses and fruit : spring 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1906)

Price list of the Bloodgood Nurseries, dept. of American Nursery Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1924)

Price list of the Morris Nurseries (George Achelis) : issued February 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nurseries, 1923)

Price list of trees, flowering shrubs, evergreens, perennials, alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jerry Brookins & Son, 1930)

Price list of young ornamental trees and shrubs for planting in nursery rows : October 15th, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1936)

Price list of young ornamental trees and shrubs for planting in nursery rows : February 1st, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1927)

Price list of young ornamental trees and shrubs for planting in nursery rows : January 15, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1932)

Price list of young ornamental trees and shrubs for planting in nursery rows : February 1st, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1937)

Price list of young ornamental trees and shrubs for planting in nursery rows : January 21st, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1929)

Price list of young ornamental trees and shrubs for planting in nursery rows : January 1st, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1928)

Price list of young ornamental trees and shrubs for planting in nursery rows : October 1st, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1935)

Price list of young ornamental trees and shrubs for planting in nursery rows : January 15th, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1931)

Price list of young ornamental trees and shrubs for planting in nursery rows : February 1st, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1938)

Price list of young ornamental trees, shrubs and vines for planting in nursery rows : February 1st, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1926)

Price list : Spring 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1920)

Price list : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1925)