Systema Geometrarum zonae temperatioris septentrionalis = Systematische Bearbeitung der Spanner der nördlichen gemässigten Zone - Gumppenberg, Carl, Freiherr von, 1833 -1893 (E. Blochmann, 1888)

Systematische Beschreibung der in Österreich wildwachsenden und kultivirten Medicinal-Pflanzen. Für Ärzte und Apotheker - Maly, Josef Karl, 1797 -1866 (Wilhelm Braumüller, 1863)

Sytematische Anleitung zu botanischen Excursionen in Mitteleuropa : für Universitäten, Gymnasien und Realschulen - Strohecker, Jonas Rudolph. (E. H. Gummi, 1869)

Taschenbuch der deutschen und schweizer Flora, enthaltend die genauer bekannten Pflanzen, welche in Deutschland, der Schweiz, in Preussen und Istrien wild wachsen ... - Koch, Wilhelm Daniel Joseph, 1771 -1849 (Gebhardt und Reisland, 1856)

Taschenbuch der deutschen und schweizer Flora, enthaltend die genauer bekannten Phanerogamen und Gefässcryptogamen, welche im Deutschen Reich ... in der Schweiz, in Deutsch-Oesterreich und in Istrien wild wachsen und zum Gebrauche der Menschen in grösserer Anzahl gebauet werden ... - Koch, Wilhelm Daniel Joseph, 1771 -1849 (Fues's Verlag (R. Reisland), 1878)

Taschenbuch der Flora Deutschlands; zum Gebrauche auf botanischen Excursionen - Kittel, Martin Balduin, 1798 -1885 (J.L. Schrag, 1853)

Taschenbuch der Flora von Trier und Luxemburg : mit Beru¨cksichtigung der Nahe- und Glan-Gegenden - Löhr, Matthias Joseph, 1800 -1864 (C. Troschel, 1844)

Taschenbuch für den schweizerischen Botaniker - Ducommun, Jules César, 1829 -1892 (Selbstverlag des Verfassers, 1869)

Technical publication - New York State College of Forestry at Syracuse University. (The College, 1921)

Technical report : Illinois natural areas inventory - Illinois. Dept. of Conservation. (Dept. of Landscape Architecture, University of Illinois and Natural Land Institute, 1978)

The Technologist (Kent & Co, 1862)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1885)

Természetrajzi Füzetek kiadja a Magyar nemzeti Muzeum - Magyar Nemzeti Múzeum. (Franklin-társulat nyomdája [etc.], 1890)

Die Tertiaerflora von Berand im Böhmischen Mittelgebirge. Ein neuer Beitrag zur Kenntniss der fossilen Pflanzen Böhmens - Engelhardt, H. (Hermann), 1839 -1918 (Bellmann, 1898)

A text-book of botany - Strasburger, Eduard, 1844 -1912 (Macmillan, 1898)

A text-book of botany - Strasburger, Eduard, 1844 -1912 (1903)

A text-book of botany and pharmacognosy, intended for the use of students of pharmacy, as a reference book for pharmacists, and as a handbook for food and drug analysts - Kraemer, Henry, 1868 -1924 (Lippincott, 1907)

A text-book of botany and pharmacognosy : intended for the use of students of pharmacy, as a reference book for pharmacists, and a handbook for food and drug analysts - Kraemer, Henry, 1868 -1924 (J. B. Lippincott company, 1910)

A text-book of botany - Strasburger, Eduard, 1844 -1912 (Macmillan, 1912)

A text-book of botany - Strasburger, Eduard, 1844 -1912 (Macmillan and co., limited, 1908)

Text-book of botany, morphological and physiological - Sachs, Julius, 1832 -1897 (Clarendon press, 1882)

A text book of materia medica, being an account of the more important crude drugs of vegetable and animal origin, designed for students of pharmacy and medicine - Greenish, Henry G. 1855 -1933 (Churchill, 1920)

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

Text-book of the diseases of trees - Hartig, Robert, 1839 -1901 (Newnes, 1894)

Thorburn's high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1912)

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

Thorburn's high class seeds : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1913)

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

Tierleben : allgemeine Kunde des Tierreichs - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1911)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1898)

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

Tijdschrift over plantenziekten - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1920)

Tijdschrift over plantenziekten - Kruidkundig Genootschap Dodonaea. (J. Vuylsteke, 1922)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1886)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1905)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1938)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1974)

Tijdschrift voor natuurlijke geschiedenis en physiologie (1841)

Till de svenska alfvarväxternas ekologi ... - Witte, Hernfrid, 1877 - (Almqvist & Wiksells boktryckeri-a.-b, 1906)

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

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

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)

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

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 : 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 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1949)

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

Trade price list, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1951)

Trade price list, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swan River Nursery, 1952)

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 1949, spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Robinson, 1949)

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

Trade price list, number 1 : Jan. 20, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1938)

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

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

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

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, 2004)

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

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

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

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 arbrisseaux et des arbustes cultives en France et en pleine terre - Jaume Saint-Hilaire, Jean Henri, 1772 -1845 (chez l'auteur, 1825)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1922)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1924)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1886)

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

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.], 1949)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1955)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1966)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1969)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1971)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1973)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1976)

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.], 1979)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1981)

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

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1989)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1998)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2001)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2003)

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 Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2008)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2010)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2011)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2013)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1989)

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

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1949)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1954)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1978)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1902)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1909)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1914)

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

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1921)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1947)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1952)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1971)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1983)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1996)