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

Weeds and weed seeds : illustrated and described - Canada. Department of Agriculture. (Dept. of Agriculture, 1922)

Weeds and weed seeds illustrated and described - Clark, George H. (George Harold), 1872 -1935 (Dept. of Agriculture, 1914)

Weeds and weed seeds : illustrated and described - Canada. Department of Agriculture. Seed Branch. (Dept. of Agriculture, Seed Branch, 1914)

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

The weeds of New South Wales, pt. I - Maiden, J. H. (Joseph Henry), 1859 -1925 (W.A. Gullick, Gov't. printer, 1920)

Weeds of Ontario - Ontario Agricultural College. (Dept. of Agriculture], 1916)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd company; [etc., etc.], 1911)

Weeds of the farm and garden - Pammel, L. H. (Louis Hermann), 1862 -1931 (Orange Judd, 1912)

Weeds of the prairies - Alberta. Alberta Agriculture, Food,; Rural Development. (Alberta Agriculture, Food and Rural Development, Publishing Branch, 2000)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1900)

West Coast botany : an analytical key to the flora of the Pacific Coast in which are described over eighteen hundred species of flowering plants growing west of the Sierra Nevada and Cascade crests, from San Diego to Puget Sound - Rattan, Volney, 1840 -1915 (Whitaker & Ray, 1898)

The Western Seed Co., 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Seed Co, 1937)

Western Seed Co., 1944 : farming, first step to victory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Seed Co, 1944)

The Western Seed Co., Denver, Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Western Seed Co, 1939)

Wheat, grasses, etc. for fall sowing, 1942 / Peter Henderson & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1942)

Whitehall botanical site evaluation, Jefferson County, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

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 price list [of] garden, field and flower seeds : season 1914 crop 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mangelsdorf Bros. Co, 1914)

Wholesale price list of grass & clover seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Nungesser & Co, 1897)

Wholesale price list of grass & clover seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Nungesser & Co, 1901)

Wholesale price list of grass & clover seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Nungesser & Co, 1900)

Wholesale price list of grass & clover seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Nungesser & Co, 1902)

Wholesale price list of grass and clover seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Nungesser & Co, 1895)

Wholesale price list of grass and clover seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Nungesser & Co, 1894)

Wholesale price list of Harris' seeds for 1911 : for market gardeners and commercial growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co, 1911)

Wholesale price list of Harris' seeds for 1912 : for market gardeners and commercial growers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Harris Co, 1912)

Wholesale price list of seeds 1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Ferry & Co, 1896)

Wholesale re-cleaned grass and field seeds : April 11th, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1928)

Wholesale re-cleaned grass and field seeds : April 19, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1927)

Wholesale re-cleaned grass and field seeds : April 29, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1927)

Wholesale re-cleaned grass and field seeds : April 30, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1927)

Wholesale re-cleaned grass and field seeds : January 12, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1928)

Wholesale re-cleaned grass and field seeds : March 8, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1928)

Wholesale re-cleaned grass and field seeds : May 14, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1928)

Wholesale re-cleaned grass and field seeds : May 4, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.W. Conklin & Son, 1928)

Wiener entomologische Zeitung (E. Reitter [etc.], 1885)

Wiener entomologische Zeitung (E. Reitter [etc.], 1891)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1895)

Wild flower seeds for sale : an aid to conservation of native flora - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alice Earle Hyde, 1942)

Wild flower seeds for sale : sow in October, November and early December - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alice E. Hyde, 1936)

Wild flowers every child should know - Stack, Frederic William, 1871 - (Grosset & Dunlap, 1909)

Wild flowers every child should know : arranged according to color with reliable descriptions of the more common species of the United States and Canada - Stack, Frederic William, 1871 - (Doubleday, Page and Company, 1909)

Wild flowers every child should know : arranged according to color, with reliable descriptions of the more common species of the United States and Canada - Stack, Frederic William, 1871 - (Grosset & Dunlap, 1909)

Wild flowers every child should know, arranged according to color, with reliable descriptions of the more common species of the United States and Canada - Stack, Frederic William, 1871 - (Doubleday, Page and Co, 1909)

The wild flowers of California; their names, haunts, and habits; by Mary Elizabeth Parsons; illustrated by Margaret Warriner Buck - Parsons, Mary Elizabeth (Payot, Upham, & company, 1902)

The wild flowers of California : their names, haunts, and habits / by Mary Elizabeth Parsons ; illustrations by Margaret Warriner Buck - Parsons, Mary Elizabeth (Cunningham, Curtiss & Welch, 1907)

Wild flowers of Canada - Iles, George, 1852 -1942 (Montreal Star, 1895)

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

Wild flowers of the British Isles - Adams, H. Isabel. (London Book Co. Ltd, 1907)

Wild flowers worth knowing - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (IndyPublish.com, 1917)

The wild legumes of Maryland and their utilization - Norton, J. B. S. (John Bitting Smith), 1872 -1966 (Maryland Agricultural Experiment Station, 1905)

Wildlife food plants of the Southwest - Patton, David R. (U.S. Dept. of Agriculture, Forest Service, Southwestern Region, 1982)

Williams' information book on gardening and farming : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Williams Seed Company, 1927)

Williams' information book on gardening and farming : season 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Williams Seed Company, 1926)

Williams information book on gardening and farming : spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Williams Seed Co., Inc, 1931)

Williams information book on gardening and farming : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Williams Seed Co, 1928)

Williams' seeds with a "growing" reputation : spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Williams Seed Co., Inc, 1929)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1928)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1962)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2007)

The wilting coefficient for different plants : and its indirect determination - United States. Bureau of Plant Industry. (G.P.O, 1912)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1932)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1937)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1942)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1945)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1951)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1958)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1964)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1965)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1966)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1967)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1968)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1969)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1970)

Die wissenschaftliche Ausbildung des Apothekerlehrlings und seine Vorbereitung zum Gehülfenexamen : mit Rücksicht auf die neuesten Anforderungen - Schlickum, O. (Oscar), 1838 -1889 (Günther, 1884)

Wm. C. Beckert's catalogue of vegetable, flower and field seeds : bulbs for spring planting, tools and implements, fertilizers and insecticides - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. C. Beckert, 1894)

Wm. C. Beckert's descriptive and illustrated seed catalogue : vegetable, flower and field seeds all the recent introductions of value, spring flowering bulbs and roots, small tools and implements, fertilizers and insecticides, and sundry articles pertaining to the garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. C. Beckert, 1892)

Wood's garden & farm guide : high grade seeds for 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1915)

Wood's high grade seeds and farm and garden guide for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1913)

Wood's high grade seeds [and] garden guide for 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1914)

Wood's high grade seeds and guide for the farm and garden : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1912)

Wood's seeds : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1926)

Wood's seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1930)

Wood's seeds, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1931)

Wood's seeds for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1920)

Wood's seeds for 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1925)

Wood's seeds for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1914)

Wood's seeds for Fall planting : 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1920)

Wood's seeds for fall planting 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1925)

Wood's seeds for fall planting 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1926)

Wood's seeds for fall planting : August 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1912)

Wood's seeds for fall planting : August, 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1915)

Wood's tested seeds : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1928)

Work of the Sheridan Field Station for the seven years from 1917 to 1923, inclusive - Towle, R. S. (Ray Sanford), 1888 - (U.S. Dept. of Agriculture, 1925)

Works on forestry - Brown, John Croumbie, 1808 -1895 (Oliver and Boyd; [etc., etc.], 1883)

Wrightia - University of Texas at Dallas. (University of Texas at Dallas, 1959)

W.W. Rawson & Co. seedsmen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1903)

W.W. Rawson & Co. seedsmen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1904)

W.W. Rawson & Co. seedsmen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1905)

W.W. Rawson & Co. seedsmen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1906)

W.W. Rawson & Co. seedsmen : what our seeds will do for you - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1901)

Wyatt's bulbs plants seeds garden supplies : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt and Sons, 1928)

Wyatt's garden book : seeds, plants, bulbs, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt and Sons, 1929)

Wyatt's garden book : seeds, plants, bulbs, garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt and Sons, 1930)

Wyatt's garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt & Sons Co, 1928)

Wyatt's garden guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt & Sons Co, 1930)

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

Yearbook - Botanical Society of the British Isles. (1952)

Yearbook / Botanical Society of the British Isles - Botanical Society of the British Isles. (1949)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1894)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1895)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1896)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1910)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (G.P.O, 1895)

The yielding capacity of colchicine-induced polyploid sugar beets - Hill, Kenneth W., (University of Alberta, 1947)

Your blue book of gardening : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Winsel-Gibbs Seed Company, 1926)

Your garden needs Barteldes seeds : 1940, our 73rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1940)

Your garden needs Barteldes seeds : our 74th year, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1941)

Your lawns need attention this autumn : special low prices good only to Nov. 1, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William M. Hunt & Company, Inc, 1932)

Zapiski Imperatorskoĭ akademīi nauk, po Fiziko-matematicheskomu otdielenīiu. 8e série = Mémoires de lʹAcadémie impériale des sciences de St.-Pétersbourg, Classe physico-mathématique. 8e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia). Fiziko-matematicheskoe otdielenīe. (Prodaetsia u Kommissionerov Imperatorskoi Akademiia Nauk, 1898)

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

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1915)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1916)

Zentralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (F. Deuticke, 1913)

zhi wu fen lei xue jian bian - Hu, Xiansu (gao deng jiao yu chu ban she)

zhong guo jin ji kun chong xue.zeng ding ban 中国经济昆虫学.增订版 - Li, Fengsun 李凤荪 (bian zhe zi kan 编者自刊, 1951)

zhong guo jing ji zhi wu bing yuan mu lu - Dai, Fanglan, Xiang Wangnian & Zheng Ruyong (ke xue chu ban she, 1958)

Zoe:a biological journal (Zoe Publishing Co, 1892)

Zoe:a biological journal (Zoe Publishing Co, 1893)

Les zoocécidies des plantes d'Europe et du bassin de la Méditerranée. Description des galles - Houard, Clodomir, 1873 - (A. Hermann, 1909)

The Zoological record Insecta - Zoological Society of London. (John Van Voorst, 1872)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1885)

Zur Flora Tirols 1. Heft Flora von Südtirol - Facchini, Francesco, 1788 -1852 (Druck Wagner, 1855)