Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1870)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1895)

Transactions of the Edinburgh Field Naturalists' and Microscopical Society - Edinburgh Field Naturalists'; Microscopical Society. (The Club, 1913)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1986)

Transactions of the Linnean Society of London, 2nd series: Botany - Linnean Society of London. (1904)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1880)

Transactions of the Mississippi Valley Horticultural Society - Mississippi Valley Horticultural Society. (The Society, 1884)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1888)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1908)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1911)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1913)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1915)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1920)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1923)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1927)

Transactions of the Society for British entomology - Society for British Entomology (1969)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1918)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1919)

Tree and shrub species for the northern Great Plains - George, Ernest J. (Ernest John), 1898 - (U.S. Dept. of Agriculture, 1953)

The tree book - McFee, Inez N. (Inez Nellie Canfield), 1879 - (Frederick A. Stokes Co, 1919)

The tree book : a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Marshall, Nina L. (Doubleday, Page & Co, 1914)

The tree book : a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Page & Company, 1913)

The tree book : a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Dugmore, A. Radclyffe (Arthur Radclyffe), 1870 -1955 (Doubleday, Page & Co, 1907)

The tree book; a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Rogers, Julia Ellen, 1866 -1958 (Doubleday, 1920)

The tree book; a popular guide to a knowledge of the trees of North America and to their uses and cultivation - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Page & Co, 1905)

The tree book. A popular guide to a knowledge of the trees of North America and to their uses and cultivation - Rogers, Julia Ellen, 1866 -1958 (Doubleday, Page, 1912)

Tree-cutting in New Zealand - Matthews, Henry John. (J. Mackay, government printer, 1905)

Tree diameter measurements at English and metric standard heights : a comparison - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1984)

Tree pamphlet - Canada. Forestry Branch. (1923)

Trees and shrubs, food, medicinal, and poisonous plants of British Columbia - Anderson, James R. (Printed by C. F. Banfield, 1925)

Trees and shrubs, hardy in the British isles - Bean, W. J. (William Jackson), 1863 -1947 (J. Murray, 1914)

Trees and shrubs hardy in the British Isles - Bean, W. J. (William Jackson), 1863 -1947 (J. Murray, 1916)

Trees and shrubs of Alberta - Alberta. Dept. of Lands; Forests, (Government of Alberta, 1960)

Trees and shrubs of Mexico - Standley, Paul Carpenter, 1884 -1963 (Govt. Print. Off, 1920)

Trees and shrubs of the Dominion Arboretum - Buckley, A. R. (Arthur R.) (Agriculture Canada, 1980)

Trees and shrubs price list, Montana collected - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1939)

Trees for Long Island - Hicks, Isaac, & son, N.Y. (s.n.], 1908)

Trees for polluted air - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1973)

Trees, fruits, and flowers of Minnesota - Minnesota State Horticultural Society. (Minnesota State Horticultural Society, 1900)

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, 1910)

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 : 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)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1963)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1976)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1980)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1987)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1989)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1991)

Triennial report - Botany Division - Department Of Industrial Research Botany Division. (1992)

Tropical agriculturist and magazine of the Ceylon Agricultural Society - Ceylon Agricultural Society. (1885)

The trumpeter swan : its history, habits and population in the United States - Banko, Winston E. (U.S. Fish and Wildlife Service, 1960)

Two keys for appraising forest fire fuels - Fahnestock, George R. (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970)

Two new genera for pine-inhabiting species of Phylini in North America (Heteroptera, Miridae, Phylinae) - Schwartz, Michael D. (American Museum of Natural History, 1996)

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

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)

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, 1914)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1948)

University of Kansas publications, Museum of Natural History - 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 Missouri studies. Science series - University of Missouri. (The University, 1905)

The University of Missouri studies. Science series - University of Missouri. (The University, 1907)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1957)

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, 1960)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1962)

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, 1964)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1965)

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, 1969)

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, 1976)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1977)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1978)

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, 1982)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1983)

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)

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

Update to the report on the conservation status of Arabis fecunda, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Update to the report on the conservation status of Grindelia howellii, a candidated threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Update to the status review of Claytonia lanceolata var. flava U.S.D.A. Forest Service, Region 1, Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1992)

Update to the status review of Howellia aquatilis : field surveys, monitoring studies, and transplant experiments, 1992 - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1992)

Update to the status review of Howellia aquatilis : field surveys, monitoring studies, and transplant experiments, 1989 - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Update to the status review of Howellia aquatilis : field surveys, monitoring studies, and transplant experiments, 1990 - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)