Trees and their life histories. Illustrated from photographs by Henry Irving - Groom, Percy, 1865 -1931 (Cassell, 1909)

Trees from other lands for shelter and timber in New Zealand : eucalypts - Simmonds, Joseph Henry 1845 -1936 (The Brett Printing and Publishing Company, 1927)

Trees from other lands for shelter and timber in New Zealand: eucalypts - Simmonds, John Howard (The Brett printing and Pub. Co, 1927)

The trees of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

The trees of Great Britain & Ireland - Elwes, Henry John, 1846 -1922 (Priv. Print, 1908)

The trees of Great Britain & Ireland - Elwes, Henry John, 1846 -1922 (Priv. Print, 1913)

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

Trees of the Eddy Arboretum Institute of Forest Genetics, Placerville, California - Righter, Francis I. 1897 - (U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1960)

Trees of the northern United States: their study, description and determination, for the use of schools and private students - Apgar, A. C. (Austin Craig), 1838 -1908 (American book company, 1892)

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 : a woodland notebook containing observations on certain British and exotic trees - Maxwell, Herbert, Sir, 1845 -1937 (James Maclehose and Sons, Publishers to the University, 1915)

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

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

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1889)

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

Trumbull & Beebe's catalogue, 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Trumbull & Beebe, 1902)

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, 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)

T.W. Schock Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Schock Nurseries, 1913)

Twenty second annual edition of Payne's garden guide with complete instructions for planting and care of seeds, plants and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore Payne, 1926)

Über die Flora der subhercynischen Kreide - Schulze, Erwin, 1861 - (Gebauer-Schwetschke'sche Buchdr, 1888)

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

United States tree books : a bibliography of tree identification - Dayton, William A. (William Adams), 1885 - (U.S. Dept. of Agriculture, 1952)

The unity of the organism; or, The organismal conception of life - Ritter, William Emerson, 1856 -1944 (R.G. Badger, 1919)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1916)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1914)

University of California School Announcement of the School of Forestry (University of California, Berkeley, 1916)

The University of Colorado studies General series A - University of Colorado, Boulder. (University of Colorado, 1905)

The University of Colorado studies General series A - University of Colorado, Boulder. (University of Colorado, 1909)

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

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1963)

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, 1968)

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) (1916)

A university text-book of botany (Macmillan, 1910)

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

Untersuchung über fossile Hölzer aus Japan : Inaugural-Dissertation, &c - Reiss, Karl, 1874 - (1907)

Untersuchungen Fossiler hölzer aus dem Westen der Vereinigten Staaten von Nordamerika - Platen, Paul Louis, 1876 - (Quelle & Meyer, 1908)