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

PHS news - Pennsylvania Horticultural Society. (The Society, 1971)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1994)

Pike's "can't-be-beat" guaranteed seeds, bulbs, plants, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.W. Pike, Seedsman, Inc, 1936)

Pitzonka's Pansy Farm, "The home of the pansy" : perennials, bulbs, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1934)

Pitzonka's Pansy Farm, "The home of the pansy" : rock plants, bulbs, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1933)

Plant & eat vegetables for health : 1936 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Abel's Seed House, 1936)

Plant-breeding; comments on the experiments of Nilsson and Burbank - Vries, Hugo de, 1848 -1935 (The Open Court Publishing Co, 1919)

Plant-breeding; comments on the experiments of Nilsson and Burbank - Vries, Hugo de, 1848 -1935 (Open Court Pub. Co, 1919)

Plant catalogue : orchids, palms, ferns, foliage, and flowering plants, chrysanthemums, hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1894)

Plant culture; a working hand-book 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., Ltd, 1909)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

Plant culture; a working hand-book 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, 1912)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare co., inc, 1921)

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

Plant lists : Western United States and Mexico - Pringle, Cyrus G. (Cyrus Guernsey), 1838 -1911 (1882)

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

The Plant of the Month Club December offerings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (All America Garden Club, 1946)

Plant sturdy seeds. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1919)

Plantae Wrightianae texano-neo-mexicanae :an account of a collection of plants made by Charles Wright ... - Gray, Asa, 1810 -1888 (Smithsonian Institution, 1852)

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 guide and price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. Nelson, Nelson Nursery, 1922)

Planting guide for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Collins Nurseries, Incorporated, 1932)

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

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

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, 1968)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1974)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1978)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1988)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1990)

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

Plants [and] bulbs for home [and] garden, 1852-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Valentin Burgevin, Inc, 1932)

Plants and bulbs for the home and garden : 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Valentin Burgevin, Inc, 1931)

Plants and bulbs : wholesale price list, fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1934)

Plants and bulbs : wholesale price list, fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese, Inc, 1936)

Plants for every purpose : fall 1924, spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coryell Nursery, 1924)

Plants for Idaho gardens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1934)

Plants for May and June delivery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Co, 1924)

Plants for May and June delivery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elliott Nursery Co, 1918)

Plants for the garden and rock-garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lowthorpe School, 1924)

Plants for the hardy border, the rockery and the wild garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, Inc, 1932)

Plants for the hardy border, the rockery and the wild garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardenside Nurseries, Inc, 1931)

"Plants that live" : trees, shrubs, annuals, evergreens, perennials, landscape design, landscape construction, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chebacco Nurseries, 1932)

A plea for hardy plants, with suggestions for effective arrangement - Elliott, J. Wilkinson. (Doubleday, Page & Company, 1902)

Supplement no. 1 to the Good & Reese blue book for florists [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1930)

Popular and newer varieties of vegetables for 1945 victory garden : needed! 20,000,000 victory gardeners - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1945)

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

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1890)

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

Portland Seed Company 44th seedalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1936)

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)

Portland Seed Company's Catalog and seed annual for 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1926)

Portland Seed Company's complete catalog and seed annual for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1921)

Portland Seed Company's complete seed annual for 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Company, 1916)

Portland Seed Company's complete seed annual for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1917)

Portland Seed Company's complete seed annual for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1920)

Pot grown rock plants and alpines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1932)

Pot-pourri from a Surrey garden - Bulwer-Lytton, Constance Georgina, Lady, 1869 -1923 (E. P. Dutton, 1898)

Pot-pourri from a Surrey garden - Bulwer-Lytton, Constance Georgina, Lady, 1869 -1923 (Smith, Elder, 1897)

Pot-pourri from a Surrey garden - Bulwer-Lytton, Constance Georgina, Lady, 1869 -1923 (Smith, Elder & co, 1898)

Potted rock plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mayfair Nurseries, 1930)

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)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (The Bullard company, 1912)

A practical handbook of trees, shrubs, vines and herbaceous perennials. Hardy and ornamental varieties, their characteristics, uses and treatment - Kirkegaard, John (Williams Bookstores Co, 1916)

A practical handbook of trees, shrubs, vines and herbaceous perennials - Kirkegaard, John (Williams Bookstores Co, 1916)

Practical landscape gardening : the importance of careful planning, locating the house, arrangement of walks and drives, construction of walks and drives, lawns and terraces, how to plant a property, laying out a flower garden, architectural features of the garden, rose gardens and hardy borders, wild gardens and rock gardens, planting plans and planting lists - Cridland, Robert B. (A.T. De La Mare Company, inc, 1916)

Practical landscape gardening; the importance of careful planning, locating the house, arrangement of walks and drives, construction of walks and drives, lawns and terraces, how to plant a property, laying out a flower garden, architectural features of the garden, rose gardens and hardy borders, wild gardens and rock gardens, planting plans and planting lists - Cridland, Robert B. (A.T. De La Mare Company, inc, 1918)

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)

Price catalogue : 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson & Sons Company, 1911)

Price catalogue : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson & Sons Company, 1913)

Price catalogue : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1914)

Price catalogue : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1916)

Price list - Eastern Nurseries. (Eastern Nurseries, 1908)

[Price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brooklawn Conservatories, 1916)

Price list. Spring 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Educational Supply Co, 1916)

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

Price list - Eastern Nurseries. (Eastern Nurseries, 1912)

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

Price list - Eastern Nurseries. (Eastern Nurseries)

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

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1912)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1913)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1914)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1915)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1916)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1920)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcroft Gardens, 1928)

Price list. No. 9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1920)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1944)

Price list. Fall 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1920)

Price list : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1927)

Price list : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1928)

Price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1930)

Price list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1931)

Price list, 1935, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1935)

Price list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1937)

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

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. (New England Nurseries, 1940)

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

Price list 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Schmidt & Son, Incorporated, 1941)

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

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

Price list, F. 39 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1939)

Price list : fall 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Educational Supply Co, 1915)

Price list fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1922)

Price list fall 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1923)

Price list, fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1924)

Price list, fall 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1925)

Price list. fall 1925-spring 1926. No. 125 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons Company, 1925)

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

Price list : fall 1937 – spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jones Ornamental Nursery, 1937)

Price list : fall '34, spring '35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chandler Landscape & Floral Co, 1934)

Price list : fall '35, spring '36 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chandler Landscape & Floral Co, 1935)

Price list. fine seeds. No. 35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Curt Unverhau, 1936)

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, issued August 1st, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1931)

Price list, no. 124 : fall 1924-spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1924)

Price list, No. 126 : fall 1926-spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1926)

Price list of Eastern Nurseries, Inc. : Fall, 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1926)

Price list of Eastern Nurseries, Inc. : fall, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1927)

Price list of Eastern Nurseries, Inc. : spring, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, 1927)

Price list of Eastern Nurseries, Inc. : spring, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eastern Nurseries, Inc, 1928)

Price list of hardy herbaceous perennials and alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Heurlin, 1903)

Price list of hardy New England grown plants for the home grounds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Windsor H. Wyman, 1910)

Price list of Rosedale Nurseries : fall bargains - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.G. Harris, 1915)

Price list of specimen trees, shrubs, roses and fruit : fall 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1912)

Price list of specimen trees, shrubs, roses and fruit : fall 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1909)

Price list of specimen trees, shrubs, roses and fruit : fall 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1907)

Price list of specimen trees, shrubs, roses and fruit : fall 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1910)

Price list of specimen trees, shrubs, roses and fruit : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1911)

Price list of specimen trees, shrubs, roses and fruit : fall 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1908)

Price list of specimen trees, shrubs, roses and fruit : spring 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1908)

Price list of specimen trees, shrubs, roses and fruit : spring 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1910)