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

Phytoneuron (Guy L. Nesom, 2014)

Pittonia :a series of papers relating to botany and botanists - Greene, Edward Lee, 1843 -1915 (Doxey & Co. [etc.], 1889)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1949)

Pitzonka's high quality pansies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Pitzonka's pansies : fall 1952, spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1952)

Pitzonka's pansies : fall 1955, spring 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1955)

Pitzonka's Pansies : fall 1957 - spring 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1957)

Pitzonka's Pansies : fall 1958 - spring 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1958)

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)

Pitzonka's perennial and rock-garden plants : for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm and Nursery, 1953)

Pitzonka's perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1947)

Pitzonka's quality pansies : fall 1950, spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1950)

Pitzonka's quality pansies : fall 1951, spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1951)

The planning & planting of little gardens - Dillistone, George. ("Country life," ltd, 1920)

The planning & planting of little gardens - Dillstone, George. ("Country life," ltd, 1920)

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

Plant and seed list for fall 1930 - spring 1931 : retail only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.H. Snowberger, 1930)

Plant and seed list for fall of 1929 and spring of 1930 : retail only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.H. Snowberger, 1929)

Plant community classification for alpine vegetation on Beaverhead National Forest, Montana - Lesica, Peter. ([Beaverhead-Deerlodge National Forest], 1992)

Plant community classification for alpine vegetation on Beaverhead National Forest, Montana - Lesica, Peter. ([Beaverhead-Deerlodge National Forest ], 1995)

Plant community classification for alpine vegetation on the Beaverhead National Forest, Montana - Lesica, Peter. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1997)

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 development and yield on mountain grasslands in southwestern Montana - Forestry Sciences Laboratory (Missoula, Mont.) (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1972)

Plant indicators: the relation of plant communities to process and practice - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Carnegie Institution of Washington, 1920)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1934)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1942)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1956)

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, 1968)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1969)

Plant list : chrysanthemums, annuals, perennials, vegetable plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mary A. Scott, 1933)

Plant lists - Watson, Sereno, 1826 -1892 (1867)

Plant morphogenesis - Sinnott, Edmund W. (Edmund Ware), 1888 -1958 (McGraw-Hill, 1960)

Plant perennials, rock-plants, and bulbs now for next year's bloom [bulletin and price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1930)

Plant Pitzonka's perennial flowers to add color and gaiety to your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1944)

Plant relations in North Dakota - Gilmore, Melvin R. (Melvin Randolph), 1868 -1940 (University of North Dakota, 1921)

Plant species of concern and plant associations of Powder River county, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2002)

Plant Stokes seeds in 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Francis C. Stokes & Company, 1932)

Plantae Fendlerianae Novi-Mexicanae :an account of a collection of plants made chiefly in the vicinity of Santa Fe´ New Mexico, by Augustus Fendler - Gray, Asa, 1810 -1888 (1848)

Plantae Texanae: a list of the plants collected in Eastern Texas in 1872, and distributed to subscribers - Hall, Elihu, 1822 -1882 (1873)

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

Plantas Romaniae hucusque cognitas - Kanitz, Ágost, 1843 -1896 (Apud E. Demjén, 1879)

Plantation Gardens, buy direct from the grower - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1957)

Plantation Gardens, herb growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1951)

Plantation Gardens, herb growers, Lynchburg, Virginia, 1954-1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1954)

Plantation Gardens : herb growers, Rustburg, Virginia - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plantation Gardens, 1959)

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 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1942)

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

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

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

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 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waynesboro Nurseries, Inc, 1946)

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

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

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)

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

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1984)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1986)

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

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 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese, Inc, 1935)

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

Plants for rock gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Buskirk's Independence Nurseries, 1932)

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, 1931)

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 rock-garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lowthorpe School, 1930)

Plants for the rock-garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1924)

Plants of the Punjab : a descriptive key to the flora of the Punjab, North-west Frontier Province, and Kashmir - Bamber, Charles James, 1855 - (Supt. Govt. Printing, Punjab, 1916)

Plants of the Punjab; a descriptive key to the flora of the Punjab, North-west Frontier Province and Kashmir - Bamber, Charles James, 1855 - (Printed by The Superintendent Government Printing, 1916)

Plants of the Seven Devils Mountains of Idaho : an annotated checklist - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1987)

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

Plants, their natural growth and ornamental treatment - Hulme, F. Edward (Frederick Edward), 1841 -1909 (Marcus Ward & Co, 1874)

Plantsman - New Hampshire Plant Growers' Association. (1994)

Play safe, plant roses this fall : 1945 fall catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ackerman Nurseries, 1945)

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)

Pontiac Nursery Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1921)

Pontiac planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1930)

Pontiac planting guide [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1926)

Pools and rock gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Published by R.M. Kellogg Co, 1935)

A popular California flora : or, Manual of botany for beginners with illustrated introductory lessons, especially adapted to the Pacific Coast ; to which is added an analytical key to west coast botany, containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (Whitaker & Ray, 1896)

A popular California flora : or, manual of botany for beginners ... : to which is added an Analytical key to west coast botany ... - Rattan, Volney, 1840 -1915 (Bancroft, 1892)

A popular California flora, or, Manual of botany for beginners. With illustrated introductory lessons, especially adapted to the Pacific Coast. To which is added an Analytical key to west coast botany. Containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (The Whitaker & Ray Co, 1896)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons, especially adapted to the Pacific coast - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1883)

A popular California flora, or, Manual of botany for beginners : with illustrated introductory lessons, especially adapted to the Pacific Coast : to which is added an analytical key to West Coast botany, containing brief descriptions of over 1600 species of Pacific Coast plants - Rattan, Volney, 1840 -1915 (Bancroft, 1888)

A popular California flora, or, Manual of botany for beginners : with illustrated introductory lessons especially adapted to the Pacific coast : to which is added an analytical key to West Coast botany, containing brief descriptions of over 1600 species of Pacific coast plants - Rattan, Volney, 1840 -1915 (Bancroft, 1887)

A popular California flora : or, manual of botany for beginners ... : to which is added an analytical key to West Coast botany ... - Rattan, Volney, 1840 -1915 (Bancroft, 1888)

A popular California flora, or Manual of botany for beginners. Containing descriptions of exogenous plants growing in central California, and westward to the ocean - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1879)

A popular California flora, or Manual of botany for beginners. Containing descriptions of exogenous plants growing in central California, and westward to the ocean - Rattan, Volney, 1840 -1915 (A. L. Bancroft and Company, 1879)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1880)

A popular California flora, or, Manual of botany for beginners - Rattan, Volney, 1840 -1915 (A.L. Bancroft and company, 1880)

A popular California flora, or Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean. With illustrated introductory lessons, especially adapted to the Pacific coast - Rattan, Volney, 1840 -1915 (A.L. Bancroft, 1882)

A popular California flora, or, Manual of botany for beginners. Containing descriptions of flowering plants growing in central California, and westward to the ocean - Rattan, Volney, 1840 -1915 (A.L. Bancroft and Company, 1885)

Popular gardening and fruit growing; An illustrated periodical devoted to horticulture in all its branches (Popular gardening publishing company, 1889)

Popular geography of plants; or, A botanical excursion round the world - Daubeny, Charles, 1795 -1867 (L. Reeve, 1855)

Popular geography of plants; or, A botanical excursion round the world - Daubeny, Charles, 1795 -1867 (1855)

Popular plants for your garden : season 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robersts Rose Co, 1927)

Popular plants for your garden : season 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roberts Rose Co, 1928)

Popular Science Review (1864)

Popular Science Review (1879)

Popular west coast flora; an analytical key to the flora of the Pacific coast, in which are described over eighteen hundred species of flowering plants growing west of the Sierra Nevada and Cascade crests, from San Diego to Puget Sound - Rattan, Volney, 1840 -1915 (The Whitaker & Ray co. (incorporated), 1905)

Populäre Encyclopädie der praktischen Landwirthschaft; ein belehrendes Taschenbuch für Güterbesitzer, Wirthschaftsbeamte und Landwirthe. 3. nach dem gegenwärtigen Stande der Naturwissenschaften verb. und mit Zusätzen bereicherte Aufl. Hrsg. von Fernand Stamm - Leibitzer, Johann (G. Heckenast, 1854)

Portland Seed Company's Catalog and seed annual for 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland Seed Co, 1924)

Portland Seed Company's Catalog and seed annual for 1925 - G.E. Conkey Company. (Portland Seed Co, 1925)

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

The potential and current vegetation of the Sun River Game Range - Montana. Department of Fish, Wildlife,; Parks (Montana Dept. of Fish, Wildlife and Parks, 1980)

Potential impact of proposed noxious weed treatment at Bluewater Fish Hatchery (MDFWP) on plant species of special concern - Montana Natural Heritage Program. ([Montana Natural Heritage Program], 1994)

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

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1881)

Pozsonyi Orvos-Termeszettudomanyi Egyesulet Kozlemenyei - Verein für natur- und heilkunde, Pressburg (1894)

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 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 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 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 plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University Press, 1923)

Practical plant biochemistry - Onslow, Muriel Wheldale 1880 -1932 (University press, 1920)

Der praktische landschaftsgärtner. Eine anleitung zur anlegung oder verschönerung von gärten verschiedener grösse ... Mit anweisung zu einer zweckmässigen benützung des küchengartens, zu spargel- und artischokenpflanzung, champignons-zucht, gurken- and melonentreiberei u.s.w - Hertz, Wilhelm. (Hoffmann, 1840)

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

A preliminary classification of the plant communities of northeastern Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

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

Preliminary report of the United States Geological Survey of Wyoming : and portions of contiguous territories, (being a second annual report of progress) - Geological; Geographical Survey of the Territories (U.S.) (Govt. Print. Off, 1872)

Prescribed fire and cattle grazing influences on the vegetation and elk use of a rough fescue community - Jourdonnais, Craig S. (1985)

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

Price catalogue : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson & Sons Company, 1912)

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] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Freeman, 1916)

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

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

Price list - Eastern Nurseries. (Eastern Nurseries, 1909)

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

Price list - Eastern Nurseries. (Eastern Nurseries)

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

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

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. (George L. Ehrle, 1924)

[Price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George L. Ehrle, 1925)

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 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wood-Howell Nurseries, 1934)

Price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White Elm Nursery Co, 1934)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1918)