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

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

Titus Nursery Company, Waynesboro, Virginia, growers of high grade nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Titus Nursery Co, 1927)

Tolleson's, 1932 : Colorado grown, guaranteed plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tolleson Nurseries, 1932)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1904)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1905)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1909)

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

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1917)

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

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

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

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

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

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 - Torrey Botanical Club. (Torrey Botanical Club, 1942)

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

Tower Grove Park of the City of St. Louis. Review of its origin and history, plan of improvement, ornamental features, etc - MacAdam, David H. (R. P. Studley & Co., Printers, 1883)

Townsend's 20th century catalog, 1931 : strawberries and how to grow them - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Townsend & Sons, 1931)

Townsend's 20th century catalog strawberries and how to grow them - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Townsend & Co, 1931)

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

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

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)

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

Trabajos del Museo Nacional de Ciencias Naturales. Serie botánica - Museo Nacional de Ciencias Naturales (Spain) (1917)

Trade list # 101 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1934)

Trade list, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Visser's Nurseries, 1928)

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

Trade list : fall, 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1913)

Trade list : fall, 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Co, 1923)

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

Trade list. fall 1928–spring 1929. No. 41 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Forest Nursery Company, Incorporated, 1928)

Trade list : fall, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.L. Haag Nurseries, 1929)

Trade list : fall 1929 - spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1929)

Trade list : fall, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.L. Haag Nurseries, 1930)

Trade list : fall 1930 - spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1927)

Trade list : fall 1930 - spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1928)

Trade list : fall 1930 - spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1930)

Trade list : fall 1931 spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Nursery, 1931)

Trade list : fall '33 spring '34 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Nursery Company, 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, 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 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1928)

Trade list : spring, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.L. Haag Nurseries, 1929)

Trade list : spring, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.L. Haag Nurseries, 1932)

Trade list : spring, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.L. Haag Nurseries, 1933)

Trade list : star roses shrubs, evergreens, etc. 1936-37 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Conard-Pyle Co, 1936)

Trade list : the "getting normal" issue, fall '35 spring '36 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Nursery Company, Inc, 1935)

Trade list : the "holding our own" issue, fall '36 spring '37 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Nursery Company, Inc, 1936)

Trade list : the "out of the red" issue, fall '34 spring '35 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase Nursery Company, 1934)

Trade offer, Autumn 1933 : from the highlands of Carolinas, glorious azaleas, rhododendrons, kalmia, orchids, ferns, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1933)

Trade price list, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Berwick Nurseries Co, 1933)

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 1951, spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson Sales Agency, 1951)

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

Trade price list : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Forestry Company, 1914)

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

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1971)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1972)

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1978)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1979)

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, 2001)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2002)

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, 2006)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2008)

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, 2013)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2016)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2018)

Traité des arbres & arbrisseaux, forestiers, industriels et d'ornement, cultivés ou exploités en Europe et plus particulièrement en France, donnant la description et l'utilisation de plus de 2400 espèces et 2000 variètès - Mouillefert, P. (Pierre), 1846 -1903 (Librairie des sciences naturelles, 1898)

Traité général des conifères ou déscription de toutes les espèces et variétés aujourd'hui connues, avec leur synonymie, l'indication des procédés de culture et de multiplication qu'il convient de leur appliquer - Carrière, E.-A. (Elie-Abel), 1818 -1896 (1855)

Traité général des conifères : ou, Description de toutes les espèces et variétés aujourd'hui connues, avec leur synonymie, l'indication des procédés de culture et de multiplication qu'il convient de leur appliquer - Carrière, E.-A. (Elie-Abel), 1818 -1896 (Chez l'Auteur, 1855)

Transactions and proceedings - Botanical Society of Edinburgh. (1841)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1891)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1916)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1884)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1900)

Transactions of the Albany Institute - Albany Institute. (Webster and Skinners, 1830)

Transactions of the American Institute of the City of New-York - American Institute of the City of New York. (s.n.], 1855)

Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1858)

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

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1917)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1919)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1921)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1923)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1925)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1931)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1940)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1944)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1974)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1978)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2005)

Transactions of the Illinois State Agricultural Society : with notices and proceedings of county societies, and kindred associations. Vol. 3, 1857-'58 - Francis, Simeon, 1796 -1872 (Bailhache & Baer, printers, 1859)

Transactions of the Illinois State Horticultural Society for - Horticultural Society of Northern Illinois. (The Society)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (W.Y. Morgan, 1901)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1980)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1981)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1985)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1986)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1996)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1882)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1884)

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

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1884)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1890)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1894)

Transactions of the Minnesota State Horticultural Society - Minnesota State Horticultural Society. (Office of the St. Paul Press Co, 1874)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1868)

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