Studies in gardening - Clutton-Brock, A. (Arthur), 1868 -1924 (C. Scribner's sons, 1916)

A study of the physiographic ecology of Mount Ktaadn, Maine - Harvey, Le Roy Harris. (1903)

The successful rhododendron bed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1920)

The successful rhododendron bed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1924)

The successful rhododendron bed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, 1925)

The successful stockman and manual of husbandry - Gardenier, Andrew A. (King-Richardson Co, 1901)

The successful stockman and manual of husbandry - Gardenier, Andrew A. (King-Richardson, 1900)

A survey of natural areas in Tyrrell County, North Carolina : for The North Carolina Natural Heritage Program, Coastal Natural Area Inventory Project - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Dept. of Natural Resources and Community Development, 1982)

Svenska Linnésällskapets årsskrift = Yearbook of the Swedish Linnaeus Society - Svenska Linnésällskapet. (Almqvist & Wiksells, 1921)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1898)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1979)

Sylvan Ontario : a guide to our native trees and shrubs - Muldrew, W. H. (William Hawthorne), 1867 -1904 (W. Briggs, 1901)

Die Synchytrien : Studien zu einer Monographie der Gattung - Tobler, Gertrud, 1877 - (G. Fischer, 1913)

A synopsis; or, systematic catalogue of the medicinal plants of the United States - Clapp, A. (Asahel) (T.K. and P.G. Collins, printers, 1852)

Synoptical flora of North America - Gray, Asa, 1810 -1888 (American Book Company, 1878)

Synoptical flora of North America: the Gamopetalæ, being a second edition of vol. I, part II, and vol. II, part I, collected - Gray, Asa, 1810 -1888 (Iverson, Blakeman, Taylor, and Company, 1886)

Taschenwörterbuch für Botaniker und alle Freunde der Botanik : enthaltend die botanische Nomenklatur, Terminologie und Litteratur nebst einem alphabetischen Verzeichnisse aller wichtigen Zier-, Treibhaus- und Kulturpflanzen, sowie derjenigen der heimischen Flora - Glaser, L. (Ludwig), 1818 -1898 (Weigel, 1885)

A teaching guide to the trees and shrubs of greater New York, including the kinds most commonly seen in cultivation - Rusk, Hester M. (Hester Mary), 1890 - (Pub. by the authors at the Brooklyn botanic garden, 1933)

Technical publication - New York State College of Forestry at Syracuse University. (The College, 1914)

Technical publication - New York State College of Forestry at Syracuse University. (The College, 1918)

Tennessee Native Plant Society newsletter - Tennessee Native Plant Society. (The Society, 1985)

Text-book of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm - Harshberger, John W. (John William), 1869 -1929 (Blakiston, 1920)

Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm - Harshberger, John W. (John William), 1869 -1929 (P. Blakiston's Son & Co, 1920)

Teysmannia (G. Kolff, 1891)

The journal of horticulture (1896)

The journal of horticulture (1903)

The journal of horticulture (1900)

Third annual catalogue, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (White & Johnson Company, 1928)

Thorburn's century : J.M. Thorburn & Co. one hundredth annual catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1901)

Thorburn's high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1911)

Thorburn's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Company, 1905)

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

Thorburn's seeds : 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1900)

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

Through glade and mead; a contribution to local natural history - Jackson, Joseph, 1847 -1924 (Putnam, Davis and Company, 1894)

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

Tipularia - Georgia Botanical Society. (Georgia Botanical Society, 1990)

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

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1903)

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

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1908)

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

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, 1916)

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

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

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1929)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1931)

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

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

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

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

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

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 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, 1907)

Trade list of American plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1901)

Trade list of collected native plants and hardy perennial : fall 1933-spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1933)

Trade list of collected native plants and hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1928)

Trade list of collected native plants and hardy perennials : fall 1936-spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1936)

Trade list of collected native plants and hardy perennials : fall 1932-spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1932)

Trade list of collected native plants and hardy perennials : fall 1931-spring 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1931)

Trade list of collected native plants and hardy perennials : fall 1928-spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1928)

Trade list of collected native plants and hardy perennials : fall 1930-spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1930)

Trade list of collected native plants and hardy perennials : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1935)

Trade list of collected native plants and hardy perennials : fall 1929-spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1929)

Trade list of collected native plants and hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. M. Bassett, 1926)

Trade list of hardy American plants, shrubs and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett, 1908)

Trade list of hardy American plants, shrubs and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett, 1906)

Trade list of the Mount Airy Nurseries, spring, 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thaddeus N. Yates & Co, 1902)

Trade list : spring, 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, Inc, 1909)

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

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 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 of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1905)

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

Trade price-list of seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1903)

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

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, 1970)

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1980)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1983)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1989)

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

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

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, 1900)

Transactions and proceedings of the Botanical Society of Edinburgh - Botanical Society of Edinburgh. (The Society, 1879)

Transactions and proceedings of the Botanical Society of Pennsylvania - Botanical Society of Pennsylvania. (University of Pennsylvania, 1898)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1902)

Transactions of the Albany Institute - Albany Institute. (Webster and Skinners, 1870)

Transactions of the American Entomological Society - American Entomological Society. (The Society at the Academy of Natural Sciences, 1907)

Transactions of the American Philosophical Society - American Philosophical Society. (1825)

Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1881)

Transactions of the Botanical Society - Botanical Society of Edinburgh. (Botanical Society of Edinburgh, 1887)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1916)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1917)

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

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

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

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1825)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1824)

Transactions of the Maryland Academy of Sciences - Maryland Academy of Sciences. (The Academy, 1900)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1861)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1870)

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

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1882)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1888)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1892)

Transactions of the Natural History Society of Glasgow : (including the proceedings of the society) - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1899)

Transactions of the New York Academy of Sciences - New York Academy of Sciences. (New York Academy of Sciences, 1892)

Transactions of the New York Academy of Sciences - New York Academy of Sciences. (New York Academy of Sciences, 1893)

Transactions of the Norfolk Agricultural Society - Norfolk Agricultural Society. (The Society, 1861)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1899)