The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1975)

Green thumb newsletter - Denver Botanic Gardens. (Denver Botanic Gardens, 1979)

Green thumb newsletter - Denver Botanic Gardens. (Denver Botanic Gardens, 1981)

Grevillea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Williams and Norgate, 1876)

Grow trees, evergreens, shrubs, perennials and fruits from seeds : fall - 1926 and spring - 1927 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Conyers B. Fleu, Jr, 1926)

Growers of reliable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benedict Nursery Company, 1955)

Growers of reliable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benedict Nursery Company, 1954)

Growers of reliable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benedict Nursery Company, 1956)

Growers of reliable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benedict Nursery Company, 1958)

Growers of reliable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benedict Nursery Company, 1953)

Growers of reliable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benedict Nursery Company, 1951)

Growers of reliable nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Benedict Nursery Company, 1952)

Gründzuge der Botanik; Repetitorium für Studierende der Naturwissenschaften und Medicin und Lehrbuch für politechnische, land- und forstwirtschaftliche Lehranstalten - Luerssen, Christian, 1843 -1916 (1877)

Guide du Géologue-voyageur, sur la modèle de l'agenda geognostica de M. Léonhard - Boué, Ami, 1794 -1881 (F.G. Levrault, 1835)

Guide for laboratory practice in plant morphology - Rowlee, Willard Winfield, 1861 - (Pub. by the Author, 1894)

Guide leaflet - American Museum of Natural History (The Museum, 1904)

The Guide to nature - Agassiz Association. (Agassiz Association, 1912)

A guide to the literature on certain effects of light on fungi : reproduction, morphology, pigmentation, and photoropic phenomena - Bassler, Loretta M. (Crops Research Division, Agricultural Research Service, United States Department of Agriculture, 1959)

Guide to trees and shrubs, based on those of Greater New York; native, naturalized, and commonly cultivated exotic kinds - Rush, Hester Mary, 1890 - (1949)

Gypsy moth management in the United States : a cooperative approach : final environmental impact statement - United States. Animal; Plant Health Inspection Service. (U.S. Dept. of Agriculture, Forest Service, Northeastern Area State and Private Forestry, 1995)

The gypsy moth. Porthetria dispar (Linn.). A report of the work of destroying the insect in the commonwealth of Massachusetts, together with an account of its history and habits both in Massachusetts and Europe - Fernald, C. H. (Charles Henry), 1838 -1921 (Wright & Potter Printing Co, 1896)

Haliburton flora : an annotated list of the vascular plants of the County of Haliburton, Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1991)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1854)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1863)

Hampel's Gartenbuch für Jedermann : Anleitung zur praktischen Ausübung aller Zweige der Gärtnerei : aus der Praxis für die Praxis : mit 198 in den Text gedruckten Abbildungen - Kunert, Fritz, 1863 -1948 (Verlagsbuchhandlung Paul Parey, 1902)

A hand book of plants for beautiful places - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers, 1907)

Hand-book of trees and hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan and Sons, 1915)

Hand-book of trees and hardy plants. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1917)

Hand-book of trees and hardy plants : spring 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1910)

Hand-list of Coniferae : grown in the Royal botanic gardens - Royal Botanic Gardens, Kew. (Printed for H. M. Stationery off. by Darling & son, Ltd, 1903)

Hand-list of trees and shrubs, excluding Coniferae, grown in Arboretum - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1902)

Handbook of flower pollination : based upon Hermann Müller's work ʻThe fertilisation of flowers by insectsʼ - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work 'The fertilisation of flowers by insects' - Knuth, Paul, 1854 -1899 (Clarendon Press, 1906)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1908)

Handbook of flower pollination based upon Hermann Müller's work The fertilisation of flowers by insects - Knuth, Paul, 1854 -1899 (Clarendon press, 1909)

Handbook of fruit and ornamental trees and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1910)

Handbook of hardy trees, shrubs, and herbaceous plants ... Based on the French work of Messrs. Decaisne and Naudin ...entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of hardy trees, shrubs, and herbaceous plants. Based on the French work of Messrs. Decaisne and Naudin entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of native woody plants of the United States - United States. Soil Conservation Service. (Soil Conservation Service, 1936)

Handbook of plants and general horticulture - Henderson, Peter. (1890)

Handbook of the trees of New England, with ranges throughout the United States and Canada - Brooks, Henry, 1857 - (Ginn, 1901)

Handbook of the trees of New England, with ranges throughout the United States and Canada - Bigelow, Elizabeth Gleason. (Ginn, 1901)

Handbook of the trees of the northern states and Canada east of the Rocky Mountains, photo-descriptive - Hough, Romeyn Beck, 1857 -1924 (Romeyn Beck Hough, 1907)

Handbook of the trees of the northern states and Canada east of the Rocky Mountains. Photo-descriptive - Hough, Romeyn Beck, 1857 -1924 (1921)

Handbook of the trees of the northern states and Canada east of the Rocky Mountains - Hough, Romeyn Beck, 1857 -1924 (The author, 1918)

Handbook of the trees of the northern states and Canada east of the Rocky mountains - Hough, Romeyn Beck, 1857 -1924 (The author, 1907)

Handbook of the trees of the northern states and Canada east of the Rocky mountains - Hough, Romeyn Beck, 1857 -1924 (Macmillan, 1907)

Handbook of the trees of the northern states and Canada east of the Rocky Mountains : photo-descriptive - Hough, Romeyn Beck, 1857 -1924 (Harper & Brothers, 1907)

Handbook of trees, shrubs, vines, ornamental plants and fruits : for lawns, parks, gardens, streets and country estates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1909)

Handbook of trees, shrubs vines, ornamental plants and fruits for lawns, parks, gardens, streets and country estates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1915)

Handbook of trees, shrubs vines, ornamental plants and fruits for lawns, parks, gardens, streets and country estates - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Nursery Company, 1913)

Handbuch der Blütenbiologie, unter Zugrundelegung von Herman Müllers Werk: "Die Befruchtung der Blumen durch Insekten." - Knuth, Paul, 1854 -1899 (W. Engelmann, 1898)

Handbuch der Botanik - Schenk, A. (August), 1815 -1891 (E. Trewendt, 1879)

Handbuch der Laubholzkunde : Beschreibung der in Deutschland heimischen und im Freien kultivierten Bäume und Sträucher. Für Botaniker, Gärtner und Forstleute - Dippel, Leopold, 1827 -1914 (P. Parey, 1889)

Handbuch der Laubholzkunde. Beschreibung der in Deutschland heimischen und im Freien kultivierten Bäume und Sträucher - Dippel, Leopold, 1827 -1914 (P. Parey, 1889)

Handbuch der Naturgeschichte. Zum Gebrauch bei vorlesungen - Burmeister, Hermann, 1807 -1892 (Verlag von Theod. Chr. Friedr. Enslin, 1836)

Handbuch der systematischen botanik, mit besonderer berücksichtigung der arzneipflanzen. Bd. 1 - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Handlexikon der Naturwissenschaften und Medizin - Bechhold, H. (Heinrich), 1866 -1937 (Bechhold, 1919)

Handwörterbuch der Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (E. Trewendt, 1882)

Handwörterbuch der naturwissenschaften - Verworn, Max, 1863 -1921 (G. Fischer, 1912)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1883)

Hardy American ornamental plants for immediate effects : spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1936)

Hardy ferns & flowers, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1901)

Hardy ferns and flowers : Southwick Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1904)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1912)

Hardy fruits & ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1929)

Hardy fruits and ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coe, Converse & Edwards Co, 1937)

Hardy fruits and ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.L. Watrous, Capital City Nurseries, 1919)

Hardy garden perennials and rock plants : ornamental shrubs & trees, water lilies : 1930 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Haven Gardens, 1930)

Hardy plant and service book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outdoor Arts Company, Incorporated, 1928)

Hardy plant material for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, 1932)

Hardy plants and trees for garden and orchard : reference guide and catalog, what and where to plant - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Lehde Nurseries, 1937)

Hardy plants for the home garden, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1938)

Hardy plants for the home garden, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1939)

Hardy plants for the home garden, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Toole, 1940)

Hardy plants of rare quality : Fall 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1903)

Hardy shrubs and plants, seeds, bulbs : Washburn's 1916 - Washburn & Co. (Washburn & Co, 1916)

Hardy trees, plants and seeds "from the heart of the Ozarks". Catalog 50, spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arkansas Seed & Nursery Co, 1925)

Hardy trees, plants and seeds "from the heart of the Ozarks". catalog no. 51, spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arkansas Seed & Nursery Co, 1926)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1910)

Hardy trees, shrubs, plants and bulbs : all for autumn planting : summer and fall 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1950)

Hardy trees, shrubs, plants and bulbs : all for autumn planting : summer and fall 1950, extended for spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1951)

Hardy trees, shrubs, plants and bulbs : all for spring planting : spring 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1956)

Hardy trees, shrubs, plants and bulbs : all for spring planting : spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1953)

Hardy trees, shrubs, plants and bulbs : all for spring planting : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1952)

Hardy trees, shrubs, plants and bulbs : fall 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1949)

Hardy trees, shrubs, plants and bulbs : fall-spring 1946-1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1946)

Hardy trees, shrubs, plants and bulbs : fall-spring 1947-1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1947)

Hardy trees, shrubs, plants and bulbs : for fall and spring planting : fall 1954, spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1954)

Hardy trees, shrubs, plants and bulbs : for fall and spring planting : fall 1953, spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1953)

Hardy trees, shrubs, plants and bulbs : for fall and spring planting 1957-1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1957)

Hardy trees, shrubs, plants and bulbs : for fall and spring planting 1957 - 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1957)

Hardy trees, shrubs, plants and bulbs : for fall and spring planting 1958-1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1958)

Hardy trees, shrubs, plants and bulbs : for fall and spring planting, 1959-1960 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gardens of the Blue Ridge, 1959)

Hardy trees, shrubs, plants and bulbs : spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1949)

Hardy trees, shrubs, vines, roses, plants and their uses : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries Co, 1914)

[Harlan P. Kelsey (Firm) materials] - Harlan P. Kelsey (Firm) (1885)

Harper's guide to wild flowers - Creevey, Caroline A. Stickney, 1843 -1920 (Harper, 1912)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1890)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & Co, 1910)

Henderson's Handbook of plants and general horticulture - Henderson, Peter, 1822 -1890 (P. Henderson & company, 1910)

Here is our list of wildflowers, ferns, etc. for the 1947-48 season - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orchid Gardens, 1947)

Hicks Nurseries price list, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Hicks & Son, 1912)

Hillenmeyer Nurseries ... 1841 - 1929-30 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.F. Hillenmeyer & Sons, 1929)

Hillenmeyer Nurseries fall 1933 - spring 1934, our 92nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.F. Hillenmeyer & Sons, 1933)

Histoire naturelle des végétaux. Phanérogames, Phanérogames - Spach, Edouard, 1801 -1879 (Librairie encyclopédique de Roret, 1834)

A history of the game birds, wild fowl and shore birds of Massachusetts and adjacent states, including those used for food which have disappeared since the settlement of the country, and those which are now hunted for food or sport, with observations on their former abundance and recent decrease in numbers; also the means for conserving those still in existence - Massachusetts. State Board of Agriculture. (Wright & Potter Printing Company, State Printers, 1916)

A history of the game birds, wild-fowl and shore birds of Massachusetts and adjacent states... with observations on their...recent decrease in numbers; also the means for conserving those still in existence - Massachusetts. State Board of Agriculture. (Wright & Potter printing company, state printers, 1912)

The history of the several towns, manors, and patents of the county of Westchester, from its first settlement to the present time - Bolton, Robert, 1814 -1877 (C.F. Roper, 1881)

History of the town of Hingham, Massachusetts - Bouvé, Edward Tracy. (Pub. by the town, 1893)

History of the town of Hingham, Massachusetts : in three volumes - Bouvé, Edward Tracy. (Published by the town, 1893)

A history of the vegetable kingdom; embracing the physiology of plants, with their uses to man and the lower animals, and their application in the arts, manufactures, and domestic economy. Illus. by several hundred figures - Rhind, William, fl 1833 -1867 (Blackie and Son, 1855)

History of Vermont, natural, civil, and statistical, in three parts, with a new map of the state, and 200 engravings - Thompson, Zadock, 1796 -1856 (Pub. for the author, by C. Goodrich, 1842)

Hobbs Nursery Stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.M. Hobbs & Sons, 1935)

Home landscapes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, 1919)

Home landscapes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, 1920)

Home landscapes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, 1925)

Home landscapes - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, 1926)

"Home landscapes" : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, Inc, 1928)

"Home landscapes" : 1929 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holm & Olson, Inc, 1929)

Home landscapes including trees that save ten years : 1917 descriptive catalogue and price-list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1917)

Home landscapes including trees that save ten years : descriptive catalogue, price-list, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, Isaac Hicks & Son, 1915)

Home landscapes including trees that save ten years : descriptive catalogue, price-list, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1916)

Home plantings : 1886–retail catalog–1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Griffing Nurseries, 1930)

Home plantings : 1923 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Griffing Nurseries, 1923)

Home plantings, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Griffing Nurseries, 1929)

Hooker's journal of botany and Kew Garden miscellany - Hooker, William Jackson, Sir, 1785 -1865 (Reeve, Benham, and Reeve, 1850)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1908)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1912)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1914)

Hoopes, Bro. & Thomas Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1915)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1918)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1922)

Horsford's annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. H. Horsford, 1931)