Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1914)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1978)

Three thousand flowers : seeds, bulbs, plants : offer 33A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1940)

Three thousand flowers : seeds, plants, bulbs : offer 37-A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1942)

Tidsskrift for populære fremstillinger af naturvidenskaben (P.G. Philipsens forlag, 1875)

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

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

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

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

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

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

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

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

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

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

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

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, 1938)

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

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1943)

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

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

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

Trade catalogue of hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1895)

Trade catalogue of hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1897)

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

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, 1898)

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

Trade list of American plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. F. Bassett & Son, 1905)

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 : 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 1929-spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1929)

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 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. M. Bassett, 1926)

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 : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Bassett, 1935)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1899)

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

The turk's cap - Delaware Native Plant Society. (Delaware Native Plant Society, 2002)

A university text-book of botany (Macmillan, 1910)

Unusual seeds and bulbs for spring planting : offer 25S - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1936)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien - Engler, Adolf, 1844 -1930 (W. Engelmann, 1896)

The vegetation of the New Jersey Pine-Barrens : an ecologic investigation - Harshberger, John W. (John William), 1869 -1929 (Christopher Sower Company, 1916)

The vegetation of the New Jersey Pine-Barrens : an ecologic investigation - Harshberger, John W. (John William), 1869 -1929 (Christopher Sower Company, 1916)

The vegetation of the New Jersey Pine-Barrens : an ecologic investigation - Harshberger, John W. (John William), 1869 -1929 (Christopher Sower Company, 1916)

The vegetation of the New Jersey Pine-Barrens : an ecologic investigation - Harshberger, John W. (John William), 1869 -1929 (Christopher Sower Company, 1916)

The water garden; embracing the construction of ponds, adapting natural streams, planting, hybridizing, seed saving, propagation, building an aquatic house, wintering, correct designing and planting of banks and margins, together with cultural directions for all ornamental aquatics - Tricker, William, 1852 -1916 (A. T. De La Mare Printing and Pub. Co, 1897)

Wholesale catalogue of American trees, shrubs, plants, and seeds, cultivated and for sale at the Linn©an Botanic Garden and nurseries, near New-York - Wm. R. Prince & Co. (Printed by T. and J. Swords, 1827)

Wholesale catalogue of native hardy plants and shrubs : for the season of 1895-6 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bellevue Nursery, 1896)

Wholesale catalogue, our wild flowers, and ferns, bulbs, hardy ornamentals, native shrubs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southwick Nurseries, 1892)

Wholesale catalogue, our wild flowers, and ferns, bulbs, hardy ornamentals, native shrubs, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southwick Nurseries, 1892)

Wholesale price list of collected native wild flowers, ferns, trees, shrubs, vines and native plant seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jos. R. Mumbauer & Son, 1920)

Wholesale price-list of hardy plants and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bellevue Nursery, 1896)

Wholesale trade list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1897)

Wholesale trade list : hardy ornamental shrubs, trees and vines, roses, aquatics, and bog plants, orchids, ferns and herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Southwick Nurseries, 1896)

Wholesale trade list of collected native trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkiomen Gardens, 1926)

Wholesale trade-list of Southwick Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1904)

Wholesale trade-list of Southwick Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1905)

Wholesale trade-list of Southwick Nurseries : deciduous and evergreen trees and shrubs, hardy ferns and flowers, bog plants and orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1902)

Wholesale trade-list of Southwick Nurseries : deciduous and evergreen trees and shrubs, hardy ferns and flowers, bog plants and orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1901)

Wholesale trade-list of Southwick Nurseries : deciduous and evergreen trees and shrubs, hardy ferns and flowers, bog plants and orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1903)

Wholesale trade list of Southwick Nurseries : hardy ferns and flowers, roses, shrubs, vines, aquatic and bog plants, orchids, herbaceous perennials, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1900)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Reed, 1910)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Reed, 1910)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, 1910)

Wild flowers east of the Rockies - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page, 1910)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (University of the State of New York, 1918)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1918)

Wild flowers of New York - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1918)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1880)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1881)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1884)

William Oakes and John Torrey correspondence, 1823-1841 - Oakes, William, 1799 -1848 (1829)

Woolson & Co.'s descriptive catalogue of hardy perennial plants and price list : spring and fall of 1880 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woolson & Co, 1880)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1908)