The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1918)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1919)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1921)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1924)

Natorp garden book : landscaping and planting suggestions, and a complete catalog of hardy nursery stock adapted to this section of the country - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Natorp Company, 1929)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1890)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1907)

The new 1957 garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Montgomery Ward, 1957)

New beauty for 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Root's Nurseries, Inc, 1934)

A new double-flowered Paul's scarlet climber : it's new, it's better, it's very double - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale Nurseries, 1946)

The New England Nurseries Company [catalog], Bedford, Massachusetts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1915)

New England's finest nursery stock : 1941 retail price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Boulevard Nurseries, 1941)

New planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, 1938)

New planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1936)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1988)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1991)

Nineteen-thirteen Meehan - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1913)

Nippon Shokubutsumeii : or nomenclature of Japanese plants in Latin, Japanese and Chinese - Matsumura, Jinzo, 1856 -1928 (Z.P. Maruya, 1884)

North Platte River area designated (noxious) weed treatment program : environmental assessment record - United States. Bureau of Land Management. (Wyoming Department of Agriculture, 1978)

Notable flowers to brighten your garden, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1935)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1917)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1903)

Novelties & general catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, Inc, 1916)

Novelties and specialties - Manda, W.A., Inc. (W.A. Manda, Inc, 1915)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1910)

Nursery catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bloodgood Nurseries, 1912)

[Nursery stock brokerage list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

Nursery stock catalog [and] planting guide : 37th year, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1930)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1943)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1947)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1948)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1940)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1938)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1937)

Nursery stock, spring-fall 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1932)

Nurserymen's seeds, fresh 1927 crop : April 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

Nurserymen's seeds, fresh 1927 crop : March 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

Oak brand shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Conard-Pyle Co, 1925)

Oak Park Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oak Park Nurseries, 1948)

Oak Park Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oak Park Nurseries, 1947)

Observations on the flora of Japan - Queiroz, Margareth M. C. (1901)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1876)

Offer No. 32 : April 1st, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offer No. 59, November 1st, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, inc, 1930)

Old friends and new catalogue : trees, flowers, fruits fall, 1920 and winter, 1920-1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1920)

The Original Barnes nursery, established 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1932)

The Original Barnes nursery, established 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1931)

Ornamental hardy plants of the better class : spring 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1906)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1908)

Ornamental plant explorations, Japan, 1961 - United States. Agricultural Research Service. (Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Foundation, Inc, 1966)

Ornamental shrubs for garden, lawn, and park planting, with an account of the origin, capabilities, and adaptations of the numerous species and varieties, native and foreign, and especially of the new and rare sorts, suited to cultivation in the United States - Davis, Lucius Daniel, 1826 - (Putnam, 1899)

Ornamental shrubs of the United States, hardy, cultivated - Apgar, A. C. (Austin Craig), 1838 -1908 (American Book Co, 1910)

Ornamental shrubs of the United States (hardy, cultivated) - Apgar, A. C. (Austin Craig), 1838 -1908 (American Book Company, 1910)

Ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thaddeus N. Yates & Co, 1910)

Ornamental trees and shrubs price list : spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph B. Gable, 1930)

Ornamental trees and shrubs price list : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph B. Gable, 1931)

Ornamental trees, shrubs and evergreens : fall 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co., Inc, 1948)

Ornamental trees, shrubs and evergreens : fall 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co., Inc, 1949)

Ornamental trees, shrubs and evergreens : fall 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co., Inc, 1950)

Ornithological science - Nihon Chogakkai (Ornithological Society of Japan, 2002)

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, 1910)

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)

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)

Peace - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bosley Nursery, 1947)

Perennials : deciduous trees, flowering shrubs, evergreens, hardy vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1924)

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

Perennials, rock-plants, shrubs, evergreens, roses, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Turner Bros. Nursery, 1936)

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

Perkins-DeWilde Nurseries, Incorporated, 1958-59, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1958)

Perkins-DeWilde Nurseries, Incorporated, 1959-60, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins-DeWilde Nurseries, Incorporated, 1959)

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

Philadelphia flower show - Pennsylvania Horticultural Society. (The Society, 1984)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1908)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1910)

Philosophical notes on botanical subjects - Bonavia, E. (Emanuel), 1829 -1908 (Eyre and Spottiswoode, 1892)

PHS news - Pennsylvania Horticultural Society. (The Society, 1972)

PHS news - Pennsylvania Horticultural Society. (The Society, 1977)

PHS news - Pennsylvania Horticultural Society. (The Society, 1984)

Phytoneuron (Guy L. Nesom, 2014)

Phytoneuron (Guy L. Nesom, 2020)

P.J. Berckmans Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1912)

P.J. Berckmans Co. Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fruitland Nurseries, 1907)

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)

Plant explorations : ornamentals in Italy, southern France, Spain, Portugal, England, and Scotland - Meyer, Frederick G. 1917 -2006 (U. S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Founcation, 1959)

Plant explorations; ornamentals in southern Japan - United States. Plant Introduction Garden, Glenn Dale, Md. (U.S. Dept. of Agriculture, 1957)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1958)

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

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

Plant list, 1932-1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Anthon, 1932)

Plant list, 1933-1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Anthon, 1933)

Plant list, 1934-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Anthon, 1934)

Plant list, 1935-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Anthon, 1935)

Plant list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Pastures Gardens, 1937)

Plant lists - Bartlett, Harley Harris, 1886 -1960 (1928)

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

Plant materials of decorative gardening; the woody plants - Trelease, William, 1857 -1945 (The author, 1917)

Plant your garden with Malmo quality fruit & nut trees, roses, flowering trees, evergreens, vines, perennials, seeds, bulbs, fertilizers, soils, garden supplies : victory Number 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo Nurseries and Seed Stores, 1945)

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)

Planter's guide for 1939 : new low prices for superior strains true-to-name fruit trees small fruits strawberries and hi-quality ornamentals for farm, suburban and city planting - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1939)

Planters guide for 1958 - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1958)

Planters guide for 1959 - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1959)

The planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1931)

Planting guide. Catalog no. 33 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, 1956)

Planting guide. Catalog no. 32 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, 1954)

Planting guide, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1949)

Planting guide for 1943 : fruits for food, flowers for courage - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1943)

Planting guide for 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1944)

Planting guide for 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1945)

Planting guide for spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1947)

Planting sketches - Rosedale Nurseries. (1942)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1947)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1949)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1950)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1952)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1953)