The trees of Great Britain & Ireland - Elwes, Henry John, 1846 -1922 (Priv. print, 1906)

Trees of Indiana - Deam, Charles Clemon, 1865 -1953 (Fort Wayne printing company, 1911)

Trees of Indiana - Deam, Charles Clemon, 1865 -1953 (Fort Wayne Printing Co, 1921)

Trees of Indiana - Deam, Charles Clemon, 1865 -1953 (State Board of Forestry of Indiana, 1919)

Trees of New York State : native and naturalized - Brown, Harry Philip, 1887 -1951 (The University, 1921)

The trees of North Carolina - Coker, William Chambers, 1872 -1953 (W. C. Coker, 1916)

The trees of the bottomlands of the Mississippi River delta region : their distribution, occurrence by site and cover type, utilization in the delta, and the distinguishing characteristics of the principal and most common species and groups of species - Putnam, John A. (John Alfred), 1901 - (USDA, Southern Forest Experiment Station, 1932)

The trees of Vermont - Otis, Charles Herbert, 1886 - (Free press printing co, 1916)

Trees of Washington, D.C - Fernow, B. E. (Bernhard Eduard), 1851 -1923 ([Bell Lithographing Co.], 1891)

Trees, plants, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.W. Adams Nursery Company, 1921)

Trees, shrubs and all hardy plants at special prices wholesale : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Company, 1911)

Trees, shrubs and all hardy plants for fall 1914 planting, and reservation for spring 1915 : wholesale special price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Company, 1914)

Trees, shrubs and hardy plants : 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bay State Nurseries, 1930)

Trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Peterson, 1909)

Trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Peterson, 1916)

Trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Peterson, 1908)

Trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Griesa Nurseries, 1927)

Trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Griesa Nurseries, 1926)

Trees, shrubs and vines of the northeastern United States; their characteristic landscape features fully described for identification by the non-botanical reader; together with an account of the principal foreign hardy trees, shrubs and vines cultivated in our country, and found in Central park, New York city - Parkhurst, H. E. (Howard Elmore), 1848 -1916 (C. Scribner's sons, 1903)

Trees, shrubs, hardy plants. wholesale special prices. Fall 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Kelsey Nursery Co, 1912)

Trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peterson Nursery, 1913)

Trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Wm. A. Peterson, 1911)

Trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Peterson, 1915)

Trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peterson Nursery, 1924)

Trees, shrubs, plants : wholesale price list spring of 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arthur Bryant & Son, 1916)

Trees shrubs plants wildflowers ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1937)

Trees shrubs plants wildflowers ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Aiken Nurseries, 1936)

Trees, shrubs, vines, evergreens, hardy perennials, roses, fruit stock : 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.V. Lawrence, 1922)

Trees, shrubs, vines, evergreens, perennials, roses, garden supplies : catalogue no. 148, 1944–1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1945)

Trees, shrubs, vines, evergreens, perennials, roses, garden supplies : catalogue no. 148, 1944–1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Siebenthaler Company, 1944)

Trees : the yearbook of agriculture 1949 - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1949)

Trees : the yearbook of agriculture, 1949 - United States. Department of Agriculture. (United States Government Printing Office, 1949)

Trends and silvicultural significance of upland forest successions in southern New England - Lutz, H. J. (Harold John), 1900 - (Yale University, 1928)

Tropical agriculturist and magazine of the Ceylon Agricultural Society - Ceylon Agricultural Society. (1881)

Tropische und nordamerikanische Waldwirtschaft und Holzkunde; Handbuch für Forstleute, Holz-Techniker und Händler in Deutschland und im Ausland - Semler, Heinrich, 1841 -1888 (P. Parey, 1888)

Troy's, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Troy's Nurseries, Inc, 1938)

Trumbull & Beebe's catalogue, 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Trumbull & Beebe, 1904)

Trumbull & Beebe's catalogue [of] vegetable, flower, farm and tree seeds, fruit and ornamental trees, small fruits, roses, carnations, palms, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Trumbull & Beebe, 1903)

Trumbull and Beebe's seed catalogue for 1905 : fruit trees, small fruits, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Trumbull & Beebe, 1905)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1968)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1973)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1980)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1983)

Tulane studies in zoology and botany - Tulane University. Department of Biology. (Tulane University, 1999)

Tuttle Bros. Nurseries, 1942 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1942)

Tuttle Bros. Nurseries, 1943 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1943)

Tuttle Bros. Nurseries, 1944 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1944)

Tuttle Bros. Nurseries, 1945 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1945)

Tuttle Bros. Nurseries, 1946 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1946)

Tuttle Bros. Nurseries, 1947 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1947)

Tuttle Bros. Nurseries, 1948 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1948)

Tuttle Bros. Nurseries, 1949 : growers of the best in nursery stock since 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1949)

Tuttle Bros. Nurseries, Pasadena, California : 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1941)

Über Juliania, eine Terebinthaceen-Gattung mit Cupula, und die wahren Stammeltern der Kätzchenblütler. Neue Beiträge zur Stammesgeschichte der Dicotyledonen - Hallier, Hans, 1868 -1932 (Heinrich, 1908)

Ullyette Brothers Nurseries, Dansville, New York offer the service of a graduate landscape architect - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ullyette Bros, 1934)

Ullyette Brothers Nurseries, Dansville, New York offer the service of a graduate landscape architect - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ullyette Bros, 1935)

Ulmus Pumila seed, new crop, order now new crop seed of American elm (Ulmus Americana) : June 7th, 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1945)

Understory-overstory vegetation relationships : an annotated bibliography - Clary, Warren P. (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1982)

United States National Arboretum contribution - National Arboretum (U.S.) (The Service, 1994)

The universal herbal : or botanical, medical and agricultural dictionary : containing an account of all known plants in the world, arranged according to the Linnean system. Specifying the uses to which they are or may be applied - Green, Thomas. (Printed at the Caxton Press by H. Fisher, 1816)

University of California publications in entomology - University of California (System) (University of California Press, 1906)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1956)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1959)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1960)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1962)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1965)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1969)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1928)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1936)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1949)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1952)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1953)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1954)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1955)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1966)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1969)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1970)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1978)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1985)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1961)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1967)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1968)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1979)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1980)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1981)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1982)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1905)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1888)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1911)

Unsere Freiland-Laubgehölze, Anzucht, Pflege und Verwendung aller bekannten in Mitteleuropa im freien kulturfähigen Laubgehölze, unter Mitwirkung von István Graf Ambrózy-Migazzi, Georg Arends, C. Heicke, Herm. A. Hesse, P. Kache, Wilhelm Kesselring, A. Purpus, Alfred, Rehder, Prof. Schwappach, Fritz Graf Schwerin, Hellmut Spaeth, Egbert Wolf und Franz Zeman. Hrsg. von Ernst Graf Silva Tarouca und Camillo Schneider - Schneider, Camillo, 1876 -1951 (Hölder-Pichler-Tempsky A.G.; [etc.], 1922)

Upper Bank Nurseries, Media, Pa - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upper Bank Nurseries, 1940)

Urban natural areas : ecology and preservation - Cranmer-Byng, Jack, 1919 - (Institute for Environmental Studies, University of Toronto, 1981)

USDA plant hardiness zone map - United States. Agricultural Research Service. (The Service?], 1990)

Uses of plants by the Indians of the Missouri River region - Gilmore, Melvin R. (Melvin Randolph), 1868 -1940 (Govt. print. off, 1919)

Utah Nursery Company, Salt Lake City : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Utah Nursery Company, 1925)

Utilization of elm - Brush, Warren David, 1881 - (U.S. Dept. of Agriculture, 1918)

Utilization of hardwoods growing on southern pine sites - Koch, Peter, 1920 -1998 (U.S. Dept. of Agriculture, Forest Service, 1985)

Variation of water in trees and shrubs - Penhallow, D. P. (David Pearce), 1854 -1910 (s.n, 1886)

The vascular flora of the eastern Penobscot Bay region, Maine - Hill, Albert Frederick, 1889 - (1919)

Vascular plant communities of the Green River lowlands in northwestern Illinois - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2009)

Vascular plants of Maryland, USA : a comprehensive account of the state's botanical diversity - Smithsonian Institution (Smithsonian Scholarly Press, 2021)

Vascular plants of the Black Hills of South Dakota and adjacent Wyoming - Thilenius, John F. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971)