Park's flower book for Spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1942)

Park's illustrated list of hardy bulbs for 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1900)

Paul J. Howard's bulbs for spring blooming : fall 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1958)

Paul J. Howard's California Flowerland bulbs, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1947)

Paul J. Howard's California Flowerland bulbs : fall, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1940)

Paul J. Howard's California Flowerland : bulbs, roses, camellias, seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1948)

Paul J. Howard's spring flowering bulbs, fall 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1945)

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.], 1834)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1838)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1844)

Paxton's magazine of botany, and register of flowering plants - Paxton, Joseph, Sir, 1803 -1865 (Orr and Smith [etc.], 1845)

Pearce seeds, plants and bulbs : offer 45A (1946) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1946)

Pearce seeds, plants, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1945)

Pearce seeds, plants, bulbs : offer 39A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1943)

The Pennsylvania farm journal (A.M. Spangler, 1851)

Pennsylvania farm journal - Darlington, J. L. (A.M. Spangler, 1852)

Peter Henderson & Co. : Autumn bulb catalogue 1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1890)

Peter Henderson & Co. bulbs, plants, seeds : Autumn 1893 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1893)

Peter Henderson & Co.'s 1882 catalogue of bulbs for fall planting, plants for winter flowering, seeds for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co.'s 1883 catalogue of bulbs for fall planting, plants for winter flowering, seeds for fall sowing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1883)

Peter Henderson & Co.'s 1898 autumn wholesale catalogue for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

Peter Henderson & Co.'s August to December 1900 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1900)

Peter Henderson & Co.'s August to December 1901 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1901)

Peter Henderson & Co.'s combined wholesale list of plants, seeds, bulbs and requisites for florists and market gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1882)

Peter Henderson & Co.'s florists' wholesale catalogue of bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1891)

Peter Henderson & Co.'s low quotations on bulbs for import orders to be shipped as soon as new crops are ready during summer and autumn : 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1901)

Peter Henderson & Co.'s low quotations on "high grade" bulbs for immediate orders to be shipped as soon as new crops are ready during summer and autumn : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co.'s low quotations on "high grade" bulbs for immediate orders to be shipped as soon as new crops are ready during summer and autumn : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1898)

Peter Henderson & Co.'s September to December 1899 wholesale catalogue of bulbs, plants and seeds, tools, fertilizers, insecticides, and requisites for the greenhouse, garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1899)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1894)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and seeds, also books, tools, fertilizers, insecticides and requisities - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1902)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds for autumn planting : 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1896)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting : 1897 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1897)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and flower seeds, for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1895)

Peter Henderson & Co.'s wholesale price list of bulbs, plants, flower seeds, and requisites for florists - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1884)

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

Die Pflanzenwelt Afrikas, insbesondere seiner tropischen Gebiete : Grundzge der Pflanzenverbreitung im Afrika und die Charakterpflanzen Afrikas - Engler, Adolf, 1844 -1930 (W. Engelman, 1910)

Phanerogamic flora of the divisions of Uitenhage and Port Elizabeth : with a sketch map - Schönland, S. 1860 - (Govt. Print. and Stationery Office, 1919)

Philosophical transactions of the Royal Society of London - Royal Society (Great Britain) (Royal Society of London, 1842)

The Phytologist: a popular botanical miscellany - Newman, Edward, 1801 -1876 (John van Voorst, 1847)

Pictorial practical bulb growing; a concise guide to the culture of all the most important bulbous, tuberous, and allied plants - Wright, Horace J. (Horace John), 1868 -1925 (Cassell and company, limited, 1903)

Pioneer Nursery of Monrovia : [catalog] 1876-1925, forty-nine years experience - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Nursery of Monrovia, 1925)

Pitcher & Manda's autumn catalogue of bulbs, plants and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1895)

Pitcher & Manda wholesale autumn catalogue of bulbs and seeds for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (United States Nurseries, 1893)

Plant & eat vegetables for health : 1936, forty-third annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1936)

Plant bulbs now for a delightful spring garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo Nurseries and Seed Stores, 1944)

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 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, 1942)

Plant life - American Plant Life Society. (American Plant Life Society, 1971)

Plant names - Lindsay, Thomas Somerville Reeves, 1854 - (Sheldon, 1923)

Plant propagation; greenhouse and nursery practice - Kains, M. G. (Maurice Grenville), 1868 -1946 (Orange Judd company, 1916)

The Plant world - Plant World Association. (Plant World Association [etc.], 1897)

Plantarum vascularium genera :secundum ordines naturales digesta eorumque differentiae et affinitates tabulis diagnostacis expositae - Weidmann. (Libraria Weidmannia, 1836)

Planting chart - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fraser & Son, 1943)

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)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1959)

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

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1991)

Plants and their ways in South Africa - Stoneman, Bertha M., 1866 -1943 (Longmans, Green, 1915)

Plants, bulbs, seeds to and from all over the world : wholesale list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nurserymen's Exchange, 1947)

Plants, roses and bulbs for fall and winter blooming : fall 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1912)

Plants, roses and bulbs for fall and winter blooming : fall, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Company, 1916)

Plants, roses and bulbs for fall and winter blooming : fall 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Company, 1915)

Plants, roses and bulbs for fall and winter blooming : fall 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1913)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1887)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1888)

Popular gardening for town and country (Popular Gardening Pub. Co, 1888)

Portefeuille des horticulteurs (J.-B. Gros, Rue du Foin Saint-Jacques, 18, 1847)

Portland Seed & Pet Store : Diamond quality bulbs are unsurpassed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed & Pet Store, 1941)

Portland Seed Co.'s descriptive and priced catalogue of flowering bulbs and nursery stocks. No. 60, 1908-1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1908)

Portland Seed Company's autumn catalog [of] trees, roses, bulbs, plants : fall 1916-spring 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1916)

Portland Seed Company's autumn catalog [of] trees, roses, bulbs, plants : fall 1917-spring 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1917)

Practical floriculture, a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter. (Judd, 1869)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (O. Judd company, 1883)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1879)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1882)

Practical floriculture; a guide to the successful cultivation of florists' plants, for the amateur and professional florist - Henderson, Peter, 1822 -1890 (Orange Judd company, 1874)

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 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)

Pre-season offer until August 1, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stassen Floral Gardens, Inc, 1937)

Presenting fall collection of prize winning bulbs & roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain, 1958)

Presenting Germain's 1959 fall collection of prize winning bulbs & roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain, 1959)

[Price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New Braunfels Nursery & Floral Company, 1952)

Price list 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Las Positas Nursery, 1935)

Price list for fall 1945 and winter 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nurserymen's Exchange, 1945)

Price-list of bulbs - Burke, Lauretta Marie (1881)

Price list of bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Whitnall Floral Co, 1896)

Price-list of bulbs for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, 1912)

Price list of South African bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gordon Ainsley, 1933)

Price list of trees, plants, vines, roses, seeds and poultry - Furnas, T.C. & Co. (T.C. Furnas & Co, 1902)

Price list : season 1930-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S. R. Moore Nursery, 1930)

Prince's select catalogue of roses, bulbous flowers, dahlias, herbaceous flowering plants, etc - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1854)

Prince's select catalogue of the unrivaled collection of bulbous flowers of every class, and of dahlias, chinese tree, & herbace - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1857)

Prince's select catalogue of the unrivaled collection of roses, carnations, chrysanthemums, phlox, iris, double sweet williams, hollyhocks - Wm. R. Prince & Co. (Baker and Godwin, 1857)

Prince's select catalogue of their unrivaled collection of bulbous flowers of every class, and of dahlias, chinese tree and herb - Wm. R. Prince & Co. (Wm. R. Prince & Co, 1860)

Prince's select catalogue : roses, herbaceous flowering plants, &c - Wm. R. Prince & Co. (Wm. R. Prince & Co)

The principles of floriculture - White, Edward Albert, 1872 -1943 (The Macmillan company, 1915)

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 ... annual meeting of the Florida State Horticultural Society - Florida State Horticultural Society. Meeting. (The Society, 1908)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1970)

Proceedings of the Entomological Society of Washington - Entomological Society of Washington (Entomological Society of Washington, 1971)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1884)

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

The Proceedings of the Royal Society of Queensland - Royal Society of Queensland. (Royal Society of Queensland], 1950)

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

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1930)

Purdy's bulbs for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1914)