The weed flora of Iowa - Pammel, L. H. (Louis Hermann), 1862 -1931 (Iowa Geological Survey, 1913)

Weeds and weed seeds : illustrated and described : with notes on seed cleaning - Canada. Department of Agriculture. Seed Branch. (Dept. of Agriculture, Seed Branch, 1935)

Weeds of the North Central States - University of Illinois at Urbana-Champaign. Agricultural Experiment Station. (University of Illinois at Urbana-Champaign, College of Agriculture, Agricultural Experiment Station, 1981)

The weekly florists' review (Florists' Pub. Co, 1898)

The weekly florists' review (Florists' Pub. Co, 1900)

The West Chester Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hoopes, Bro. & Thomas Company, 1932)

Westbury Nurseries and the Hicks patent tree-movers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Hicks & Son, 1907)

Westbury Nurseries and the Hicks patent tree-movers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westbury Nurseries, 1904)

Westbury Nurseries and the Hicks patent tree-movers ; price-list of trees for Long Island - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westbury Nurseries, 1909)

Westbury nurseries and the Hicks patent treemovers - Hicks, Isaac, & son, N.Y. (s.n.], 1904)

Westcott's Nursery Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcott's Nursery Co, 1926)

Weston Nurseries, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1935)

Weston Nurseries, 1935 and 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1935)

Weston Nurseries, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1939)

Westover Nursery Company, Clayton, Missouri - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westover Nursery Company, 1921)

Westover Nursery Company, Clayton, Missouri : fall 1924-spring 1925 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westover Nursery Company, 1924)

Westover Nursery Company, Clayton, Missouri : fall 1925-spring 1926 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westover Nursery Company, 1925)

Wetland resources of Illinois : an analysis and atlas - Suloway, Liane B. (Illinois Natural History Survey, 1994)

What to plant this fall & why - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1912)

What, where, when and how to plant : concise directions for the planting and care of fruit and ornamental trees, plants, roses, shrubs, evergreens, vines and perennials : facts on four questions that everyone wants to know - Hottes, Alfred Carl, 1891 -1955 (Call's Nurseries, 1926)

Whitefly of the world : a systematic catalogue of the Aleyrodidae (Homoptera) with host plant and natural enemy data - British Museum (Natural History) (British Museum (Natural History) and Wiley, 1978)

Who's who among the wild flowers - Beecroft, W. I. (Willey Ingraham), 1870 - (Moffat, Yard and company, 1910)

Who's who among the wild flowers - Beecroft, W. I. (Willey Ingraham), 1870 - (Moffat, Yard, 1910)

Wholesale catalog 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson & Sons Company, 1909)

Wholesale catalogue - Leesley Nurseries. (Leesley Nurseries, 1913)

Wholesale catalogue. Spring 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1917)

Wholesale catalogue - Leesley Nurseries. (Leesley Nurseries, 1914)

Wholesale catalogue - Leesley Nurseries. (Leesley Nurseries)

Wholesale catalogue : fall 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1911)

Wholesale catalogue : fall 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1912)

Wholesale catalogue of the Reading Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reading Nursery, 1901)

Wholesale catalogue : spring 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1913)

Wholesale catalogue : spring 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leesley Brothers Nurseries, 1915)

Wholesale, fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cole Nursery Co, 1930)

Wholesale Holland plant list, 1947-48 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Guldemond's, 1947)

Wholesale : January 1 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1902)

Wholesale list fall 1930-spring 1931 [of] quality grafts and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wittenberg & Co, 1930)

Wholesale nursery & greenhouse products : spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1930)

Wholesale price list : fall 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1912)

Wholesale price list fall 1920 : hardy herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co, 1920)

Wholesale price list : Fall 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1921)

Wholesale price list : fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1922)

Wholesale price list : fall 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1923)

Wholesale price list : fall 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Willis Nurseries, 1930)

Wholesale price list for ... - Meehan, Thomas, 1826 -1901 (The Nurseries, 1898)

Wholesale price list for ... - Meehan, Thomas, 1826 -1901 (The Nurseries, 1914)

Wholesale price list for ... - Meehan, Thomas, 1826 -1901 (The Nurseries, 1915)

Wholesale price list for ... - Meehan, Thomas, 1826 -1901 (The Nurseries, 1916)

Wholesale price list for ... - Meehan, Thomas, 1826 -1901 (The Nurseries, 1917)

Wholesale price list for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barnes Bros. Nursery Co, 1920)

Wholesale price list : Mar 1, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tolleson Nurseries, 1932)

Wholesale price list of hardy decorative flowering shrubs and plants, ornamental trees, evergreens, roses, bulbs, herbaceous plants, fruits, etc., etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1894)

Wholesale price list : spring 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1913)

Wholesale price list : spring 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1914)

Wholesale price list spring, 1915 : trees, shrubs, evergreens, vines, roses, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1915)

Wholesale price list : spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1922)

Wholesale price list : spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1923)

Wholesale price list : spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Kohankie & Son, 1924)

Wholesale price list : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1929)

Wholesale price list : spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1939)

Wholesale price list : spring 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Co, 1940)

Wholesale trade list : 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.R. Pierson Co, 1900)

Wholesale trade list : 1901 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.R. Pierson Co, 1901)

Wholesale trade-list : 1912 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1912)

Wholesale trade-list : 1914 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1914)

Wholesale trade list : Bay State Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Windsor H. Wyman, 1901)

Wholesale trade list : Bay State Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Windsor H. Wyman, 1902)

Wholesale trade list : Bay State Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Windsor H. Wyman, 1903)

Wholesale trade list : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Willis Nurseries, 1928)

Wholesale trade list : fall 1940 spring 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, Inc, 1940)

Wholesale trade list No. 385, spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, 1937)

Wholesale trade list of Forest City Nurseries for 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbert A. Jackson, 1907)

Wholesale trade list of hardy native plants : spring & fall 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.J. Greene, 1936)

Wholesale trade list of hardy native plants : spring - fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.J. Greene, 1935)

Wholesale trade list of the F. & F. Nurseries. Spring 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1920)

Wholesale trade list of the F. & F. Nurseries. Fall 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1919)

Wholesale trade list of the F. & F. Nurseries and Princeton Nurseries, Wm. Flemer's Sons, props. for nurserymen and dealers : Spring 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. & F. Nurseries, 1922)

Wholesale trade list of the Framingham Nurseries - Framingham Nurseries. (W.B. Whittier & Co, 1904)

Wholesale trade-list, season of 1900-1901 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1901)

Wholesale trade-list : season of 1907-1908 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1908)

Wholesale trade-list : season of 1909-1910 - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1909)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1896)

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 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 (University of the State of New York, 1921)

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

Wild medicinal plants of the United States - United States. Bureau of Plant Industry. (G.P.O, 1906)

Will's thirty-fifth annual catalog. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oscar H. Will & Co, 1918)

[William Ewing Company materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1908)

Wm. Flemer's Sons Inc., F. & F. Nurseries-Princeton Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Flemer's Sons Inc, 1928)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1861)

The woman florist Miss Ella V. Baines Springfield, Ohio : spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baines, 1923)

The wonderful new rose hoosier beauty : see first page for description and price - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baines, 1918)

The wonderful new rose "sunburst". 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Good & Reese Co, 1916)

Wyatt's garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt & Sons Co, 1931)

[Wyman's Framingham Nurseries materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1904)

xi an zhi wu zhi - Xie, Yintang, Wang Mali & Zhao Guifang (shan xi ke xue ji shu chu ban she, 2007)

Yard and garden; a book of practical information for the amateur gardener in city, town or suburb - Baker, Tarkington, 1878 -1924 (The Bobbs-Merrill company, 1908)

Year book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plainfield Nursery, 1929)

Year book, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1948)

Year book, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1949)

Year book [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plainfield Nursery, 1926)

Year book [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plainfield Nursery, 1927)

The year book for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1937)

The year book for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1938)

The year book for 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1940)

The year book for 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1942)

The year book for 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1943)

The year book for 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1944)

The year book for 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1945)

The Year book for 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1950)

The Year book for 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1951)

The Year book for 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1952)

The Year book for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1953)

The Year book for 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1955)

The Year book for 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1956)

Yunnan zhong zi zhi wu ming lu - Zhongguo ke xue yuan. Kunming zhi wu yan jiu suo. (Yunnan ren min chu ban she, 1984)

zai pei zhi wu ming lu - Zhongguo ke xue yuan. Zhi wu yan jiu suo (zhong guo ke xue yuan)

Zeitschrift des Mährischen Landesmuseums - Hucke, Karl. (Die Gesellschaft, 1903)

Zeitschrift des Mährischen Landesmuseums - Hucke, Karl. (Die Gesellschaft, 1907)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1853)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1860)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1888)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1921)

zhu xi zhi wu zhi - Gan, Qiliang (hu bei chang jiang chu ban ji tuan hu bei ke xue ji shu chu ban she, 2005)

Zoologisches Zentralblatt (W. Engelmann, 1903)

Zoology of Colorado - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (University of Colorado, 1927)

Zur Flora der Umgebung Lembergs - Tomaschek, Anton, 1826 -1891 (s.n, 1866)