A text-book of mycology and plant pathology - Harshberger, John W. (John William), 1869 -1929 (P. Blakiston's Son & Co, 1917)

A text-book of plant diseases caused by cryptogamic parasites - Massee, George, 1850 -1917 (Duckworth and co, 1907)

A text-book of plant diseases caused by cryptogamic parasites - Massee, George, 1850 -1917 (Duckworth, 1903)

A text-book of plant diseases caused by cryptogamic parasites - Massee, George, 1850 -1917 (Duckworth, 1899)

A text-book of plant diseases caused by cryptogramic parasites - Massee, George, 1850 -1917 (Duckworth and co, 1903)

Textbook of botany - Allen, Charles E. (Charles Elmer), 1872 - (D. C. Heath & co, 1917)

The journal of horticulture (1901)

The journal of horticulture (1902)

The journal of horticulture (1899)

The theory and practice of landscape gardening - Major, Joshua, 1787 -1866 (Longman, Brown, Green, and Longmans, 1852)

Thermal insect control - Technology & Development Center (Missoula, Mont.) (USDA Forest Service, Missoula Technology & Development Center, 1994)

Thesaurus litteraturae mycologicae et lichenologicae ratione habita praecipue omnium quae adhuc scripta sunt de mycologia applicata - Lindau, Gustav, 1866 -1923 (Fratres Borntraeger, 1913)

Thesaurus litteraturae mycologicae et lichenologicae ratione habita praecipue omnium quae adhuc scripta sunt de mycologia applicata - Lindau, Gustav, 1866 -1923 (Fratres Borntraeger, 1908)

Third American edition of the British encyclopedia, or Dictionary of arts and sciences : comprising an accurate and popular view of the present improved state of human knowledge - Nicholson, William, 1753 -1815 (Mitchell, Ames and White, 1818)

A thirty-day offer to the trade only [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1930)

Thirty-first annual catalogue [of] sterling seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1915)

Thirty important forest trees of Maryland. How to know them - Maryland. State Board of Forestry. (The Board, 1922)

Three pine release experiments in northern Minnesota - Lake States Forest Experiment Station (Saint Paul, Minn.) (Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1962)

Tierische Schädlinge und Nützlinge für Ackerbau, Viehzucht, Wald-und Gartenbau; Lebensformen, Vorkommen, Einfluss und die Massregeln zu Vertilgung und Schutz - Bos, J. Ritzema (Jan Ritzema ), 1850 -1928 (P. Parey, 1891)

Tijdschrift over plantenziekten - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1895)

Tijdschrift over plantenziekten - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1904)

Tijdschrift over plantenziekten - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1912)

Tijdschrift over plantenziekten - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1914)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1859)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1860)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1892)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1915)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1924)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1931)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1935)

Tijdschrift voor natuurlijke geschiedenis en physiologie (1837)

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

Timber and botany. comprising seven reports on the forests and botany of different parts of the state B - Kentucky Geological Survey. (The Survey, 1884)

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

The timber pines of the southern United States - Roth, Filibert, 1858 -1925 (Dept. of Agriculture, Forestry Division, 1896)

The timber pines of the southern United States - Fernow, B. E. (Bernhard Eduard), 1851 -1923 (Govt. Print. Off, 1896)

The timber pines of the southern United States - Roth, Filibert, 1858 -1925 (Govt. Print. Off, 1897)

The timber pines of the southern United States. Together with a discussion of the structure of their wood - Roth, Filibert, 1858 -1925 (Govt. Print. Off, 1897)

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

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)

Timber resource of Wisconsin's Southwest Survey Unit, 1983 - Raile, Gerhard K. (U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1985)

The timber resources in Massachusetts - United States. Northeastern Forest Experiment Station, Upper Darby, Pa. (1956)

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

The timber resources of Maine; [a report on the forest survey made by the U.S. Forest Service] - Northeastern Forest Experiment Station (Radnor, Pa.) (1960)

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 Rhode Island - Ferguson, Roland H. (1957)

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

Timber technicalities : being definitions of terms used in the home and foreign timber, mahogany and hardwood industries, the sawmill and woodworking trades, as well as those employed in connection with architecture and building construction - Haynes, Edwin. (W. Rider, 1921)

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)

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

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1987)

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1988)

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

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1997)

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 2000)

Toadstools, mushrooms, Fungi, edible and poisonous; one thousand American Fungi; how to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions - Millspaugh, Charles Frederick, 1854 -1923 (The Bobbs-Merrill company, 1912)

Toadstools, mushrooms, fungi: edible and poisonous: one thousand American fungi: how to select and cook the edible: how to distinguish and avoid the poisonous - Macadam, Robert K. (Bobbs-Merrill Co, 1912)

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, 1917)

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

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

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1928)

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, 1930)

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

Trade catalogue of the Framingham Nurseries - Framingham Nurseries. (W.B. Whittier & Co, 1910)

Trade list Fall 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nursery, 1904)

Trade list : fall 1926 spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Piedmont Forestry Company, 1926)

Trade list of American plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1902)

Trade list of American plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1903)

Trade list of American plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1904)

Trade list [of] Old Colony Nursery : Spring 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1909)

Trade list [of] tree and shrub seeds, roots, bulbs : 1905-1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Otto Katzenstein & Co, 1905)

Trade list Old Colony Nursery : spring, 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.R. Watson, 1912)

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

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

Trade price-list - Mount Desert Nurseries. (Mt. Desert Nurseries, 1899)

Trade price-list - Mount Desert Nurseries. (Mt. Desert Nurseries, 1900)

Trade price-list - Mount Desert Nurseries. (Mt. Desert Nurseries, 1909)

Trade price list : April 1, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1929)

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

Trade price list : fall 1950, spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1950)

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

Trade price list : fall 1951 - spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The North-Eastern Forestry Company, 1951)

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

Trade price list : January 28, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Jenkins & Son, 1929)

Trade prices on hardy American ornamental plants : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 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, 1973)

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1982)

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

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, 1997)

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

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, 2016)

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2019)

Traité d'entomologie forestière à l'usage des forestiers, des reboiseurs et des propritaries de bois - Barbey, Auguste, 1872 -1948 (Berger-Levrault, 1913)

Traité de paléontologie - Schimper, Wilhelm-Philippe, 1808 -1880 (Octave Doin, 1883)

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 variétés - Mouillefert, P. (Pierre), 1846 -1903 (P. Klincksieck, 1892)

Traite des arbres forestiers :ou histoire et description des arbres indigenes ou naturalises... - Jaume Saint-Hilaire, Jean Henri, 1772 -1845 (de l'Imprimerie de Firmin Didot, 1824)

Traité pratique des arbres résineux conifères a grandes dimensions : que lon peut cultiver en futaie dans les climats tempérès - Chambray, Georges, marquis de, 1783 -1848 (Pillet, 1845)

Transactions - American Microscopical Society (1913)

Transactions and journal of the proceedings of the Dumfriesshire and Galloway Natural History and Antiquarian Society - Dumfriesshire; Galloway Natural History; Antiquarian Society. (1910)

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

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1915)

Transactions for the year ... of the Essex Agricultural Society of the County of Essex, in Massachusetts - Essex Agricultural Society (Mass.) ([The Society, 1881)

Transactions / Lincolnshire Naturalists' Union - Lincolnshire Naturalists' Union. (Lincolnshire Naturalists' Union, 1983)

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 Entomological Society and proceedings of the Entomological Section of the Academy of Natural Sciences - American Entomological Society. (The Society, 1882)

Transactions of the American Entomological Society - American Entomological Society. (The Society at the Academy of Natural Sciences, 1913)

Transactions of the American Entomological Society - American Entomological Society. (The Society at the Academy of Natural Sciences, 1915)

Transactions of the American Philosophical Society - American Philosophical Society. (1830)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1915)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1907)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1922)

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