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, 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 : catalog no. 158, 1949-1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Siebenthaler Company, 1949)

Trees, shrubs, vines, fruits and herbaceous plants for northern planting. 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mt. Desert Nurseries, 1915)

Trees, shrubs, vines, fruits and herbaceous plants for northern planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1916)

Trees, shrubs, vines, fruits and herbaceous plants for northern planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1919)

Trees, shrubs, vines, hardy herbaceous perennials, bedding plants, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1933)

Trees, shrubs, vines, herbaceous perennials, bedding plants, roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1931)

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)

Trees worth knowing - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Page & company, 1917)

Trees worth knowing - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Page, 1922)

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

True Viburnum carlesi seed (Korean spice viburnum) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Tulane studies in zoology - Tulane University. (Tulane University, 1965)

Turner Bros. Nursery, West Long Branch, New Jersey : 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1941)

Turner Bros. Nursery, West Long Branch, New Jersey, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William Turner's Sons, 1942)

Twenty-first annual edition of the Sutherland garden handbook - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sutherland Landscape and Nursery Company, 1931)

Twenty-third annual edition of the Sutherland garden handbook - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sutherland Landscape and Nursery Company, 1933)

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

University of California publications in botany - University of California, Berkeley. (University of California Press, 1902)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1919)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1921)

University of California publications in zoology - University of California, Berkeley. (University Press, 1908)

The University of Colorado studies. General series A - University of Colorado, Boulder. (University of Colorado, 1906)

The University of Colorado studies. General series A - University of Colorado, Boulder. (University of Colorado, 1908)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1954)

University of Kansas publications, Museum of Natural History - 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, 1968)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1983)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1959)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1966)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1973)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1975)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1976)

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, 1983)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1985)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1916)

Unsere Freiland-Nadelhölzer; Anzucht, Pflege und Verwendung aller bekannten in Mitteleuropa im Freien kulturfähigen Nadelholzer - Silva Tarouca, Ernst, Graf, 1860 -1936 (F. Tempsky, 1913)

Unsere Freiland-Nadelhölzer; Anzucht, Pflege und Verwendung aller bekannten in Mitteleuropa im freien Kulturfähigen Nadelhölzer mit Einschluss von Ginkgo und Ephedra - Appel, Otto, 1867 -1952 (Hölder-Pichler-Tempsky, 1923)

Upper Bear Creek watershed analysis : version 1.1 - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, Medford District, Ashland Resource Area, 2000)

Upton Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1931)

Upton Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Upton Gardens, 1934)

The use of multivariate statistics in studies of wildlife habitat - U.S. Fish; Wildlife Service (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1981)

User's guide to the western spruce budworm modeling system - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1990)

Utah's forest resources, 1978 - Van Hooser, Dwane D. (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1983)

Variation in phenology and monoterpene patterns of defoliated and nondefoliated Douglas-fir (Pseudotsuga menziesii var. glauca) - Wickman, Boyd E. (1993)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

The vegetation of a desert mountain range as conditioned by climatic factors - Shreve, Forrest, 1878 -1950 (Carnegie Inst, 1915)

The vegetation of a desert mountain range as conditioned by climatic factors - Shreve, Forrest, 1878 -1950 (Carnegie Institution of Washington, 1915)

Vegetation of Oregon and Washington - Dyrness, C. T. (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1969)

The vegetation of the Rocky Mountain region, and a comparison with that of other parts of the world - Hooker, Joseph Dalton, 1817 -1911 (1881)

Vegetation treatment on BLM lands in thirteen western states : draft environmental impact statement - United States. Bureau of Land Management. (The Bureau, 1990)

Vegetation types of the San Bernardino Mountains - Pacific Southwest Forest; Range Experiment Station (Berkeley, Calif.) (Pacific Southwest Forest and Range Experiment Station, 1960)

Vegetationsbilder - Schenck, Heinrich, 1860 -1927 (G. Fischer, 1907)

Vegetationsbilder - Schenck, Heinrich, 1860 -1927 (G. Fischer, 1912)

Veitch's manual of the coniferae : containing a general review of the order, a synopsis of the species cultivated in Great Britain, their botanical history, economic properties, place and use in arboriculture, etc - James Veitch & Sons. (J. Veitch, 1900)

Veitch's manual of the coniferae : containing a general review of the order, a synopsis of the species cultivated in Great Britain, their botanical history, economic properties, place and use in arboriculture, etc - James Veitch & Sons. (James Veitch & Sons, 1900)