Thorburn's seeds 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1918)

Thorburn's seeds 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1919)

Thorburn's seeds 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1908)

Thorburn's seeds 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1909)

Thorburn's seeds 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1917)

The Tiger Nurseries, Inc., 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tiger Nurseries, Inc, 1937)

The Tiger Nurseries, Incorporated, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tiger Nurseries, Incorporated, 1941)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1925)

Timber - Baterden, J. R. (James Rae) (D. Van Nostrand, 1908)

Timber - Baterden, J. R. (James Rae) (Constable, 1908)

Timber conditions in the pine region of Minnesota - Ayres, H. B. (Horace Beemer), 1856 - (Govt. print. off, 1900)

The Timber resource in Maryland - Northeastern Forest Experiment Station (Radnor, Pa.) (Northeastern Forest Experiment Station, 1955)

Timber resource of Missouri's eastern Ozarks - North Central Forest Experiment Station (Saint Paul, Minn.) (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1990)

Timber resource of Missouri's northwest Ozarks - North Central Forest Experiment Station (Saint Paul, Minn.) (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1990)

Timber resource of Missouri's prairie '89 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1991)

Timber resource of Missouri's riverborder '89 - North Central Forest Experiment Station (Saint Paul, Minn.) (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1991)

Timber resource of Missouri's southwest Ozarks - North Central Forest Experiment Station (Saint Paul, Minn.) (North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1990)

Timber resource of the Indiana Knobs unit, 1986 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988)

Timber resource of Wisconsin's Central Survey Unit, 1983 - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1985)

Timber resource of Wisconsin's Northwest Survey Unit, 1983 - North Central Forest Experiment Station (Saint Paul, Minn.) (Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1984)

Timber resource of Wisconsin's Southeast Survey Unit, 1983 - Spencer, John S. (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1985)

The timber resources of Connecticut - Ferguson, Roland H. (Northeastern Forest Experiment Station, Forest Service, U. S. Department of Agriculture, 1957)

The timber resources of New Jersey - Northeastern Forest Experiment Station (Radnor, Pa.) (Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974)

The timber resources of New Jersey; [a report on the forest survey made by the U.S. Forest Service] - United States. Northeastern Forest Experiment Station, Upper Darby, Pa. (1958)

The timber resources of Ohio - Northeastern Forest Experiment Station (Radnor, Pa.) (U.S. Northeastern Forest Experiment Station, 1970)

The timber resources of West Virginia - Northeastern Forest Experiment Station (Radnor, Pa.) (Northeastern Forest Experiment Station, 1964)

The timber supply outlook in South Carolina - Larson, Robert W. (Robert Walter), 1918 - (U.S. Government Printing Office, 1951)

Timber trees and forests of North Carolina - Pinchot, Gifford, 1865 -1946 (M. I. & J. C. Stewart, public printers, 1897)

Timbers and their uses; a handbook for woodworkers, merchants, and all interested in the conversion and use of timber - Winn, Wren. (G Routledge & Sons, 1919)

The timbers of commerce and their identification - Stone, Herbert. (W. Rider & son, limited, 1918)

The timbers of commerce and their identification - Stone, Herbert, F.L.S. (W. Rider, 1905)

The timbers of commerce and their identification. Illustrated with 186 photo-micrographs prepared by Arthur Deane - Stone, Herbert (W. Rider, 1905)

Timbers of the world - Timber Research; Development Association. (TRADA, 1900)

Tingle's wholesale price list of lining-out : fall 1948 spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tingle Nursery, 1949)

Tingle's wholesale price list : spring 1960 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tingle Nursery, 1950)

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1989)

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1993)

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 2004)

To the trade ... : Feb. 15, 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pfaender's Seedling Nursery, 1921)

To you, Mr. and Mrs. Buyer! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ullyette Brothers Nurseries, 1938)

Tong ji sheng tai xue : fang fa he ji suan ru men 統計生態學 : 方法和計算入門 - Ludwig, John A. (Nei menggu da xue chu ban she 內蒙古大學出版社, 1991)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1907)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1910)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1911)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1912)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1913)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1914)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1918)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1921)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1920)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1922)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1923)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1926)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1934)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1937)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1936)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1938)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1939)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1940)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1941)

Torreya, a monthly journal of botanical notes and news (1911)

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

Towson Nurseries Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Towson Nurseries, 1933)

Towson Nurseries, Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Towson Nurseries, 1926)

Towson Nurseries, Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Towson Nurseries, 1930)

Towson Nurseries, Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Towson Nurseries, 1925)

Towson Nurseries, Incorporated - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Towson Nurseries, 1928)

Trade list, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1929)

Trade list : fall 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1924)

Trade list : fall 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1925)

Trade list, fall 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Co, 1933)

Trade list of healthy and hardy deciduous and evergreen trees, shrubs, vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thaddeus N. Yates & Co, 1905)

Trade list of Lovett's Nursery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1927)

Trade list of Lovett's Nursery : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lovett's Nursery, 1927)

Trade list of the F. & F. Nurseries : fall 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1915)

Trade list of the F. & F. Nurseries : fall 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1916)

Trade list of the F. & F. Nurseries : fall 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1917)

Trade list, Russellville Nurseries, fall 1931-spring 1932, for the use and information of nurserymen and dealers at wholesale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Russellville Nurseries, 1931)

Trade list : spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1924)

Trade list : spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1925)

Trade list : spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1926)

Trade list : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1928)

Trade price list, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shady Lane Nurseries Co, 1932)

Trade price list : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1928)

Trade price list : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1930)

Trade price list : fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1931)

Trade price list : fall 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1932)

Trade price list : fall 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1933)

Trade price list : fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1935)

Trade price list : fall 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jenkins Nurseries, 1937)

Trade price list : fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1938)

Trade price list : fall 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1939)

Trade price list, fall 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson, Inc, 1941)

Trade price list : fall 1942, spring 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1942)

Trade price list : fall and spring 1935-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1935)

Trade price list : January 24, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1930)

Trade price list : March,1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jenkins Nursery, 1937)

Trade price list : spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son's Nurseries, 1927)

Trade price list : spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1933)

Trade price list : spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1934)

Trade price list : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1935)

Trade price list : spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1936)

Trade price list : spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jenkins Nurseries, 1938)

Trade price list : spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1938)

Trade price list, spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson, Inc, 1941)

Trade price list, spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson, Inc, 1942)

Trade seed-list, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Haage & Schmidt, 1935)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1968)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1969)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1977)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1990)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1994)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2004)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2005)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2010)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2011)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2012)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2017)

Traité de botanique - Van Tieghem, Phillippe Édouard Léon, 1839 -1914 (s.n, 1892)

Traité de paléontologie végétale, ou, La flore du monde primitif dans ses rapports avec les formations géologiques et la flore du monde actuel. Avec un atlas de 100 ì.e. 110 planches grand inquarto lithographiées - Schimper, Wilhelm-Philippe, 1808 -1880 (J.G. Bailliere, 1869)

Transactions - American Microscopical Society (1879)

Transactions and proceedings - Botanical Society Of Pennsylvania, Philadelphia. (University of Pennsylvania, 1911)