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

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

Weeds of Bhutan - Bhutan. Department of Agriculture. (National Plant Protection Centre, 1992)

Weeds of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, 1920)

Weeds of farm land - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (Longmans, Green and co, 1920)

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)

The weeds, poison plants, and naturalized aliens of Victoria - Victoria. Dept. of Agriculture. (J. Kemp, Government Printer, 1909)

A week at the Lizard - Johns, C. A. (Charles Alexander), 1811 -1874 (Society for Promoting Christian Knowledge, 1848)

A week at the Lizard - Johns, C. A. (Charles Alexander), 1811 -1874 (Society for Promoting Christian Knowledge, 1879)

Weobecný rostlinopis ili Popsani rostlin we welikém ohledu uitenych a kodliwých - Presl, Jan Svatopluk, 1791 -1849 (W kommissi u Kronbergra a Riwnáe, 1846)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1890)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1891)

The West-American scientist - Orcutt, Charles Russell, 1864 -1929 (C.R. Orcutt, 1895)

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 Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1990)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1993)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2010)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1972)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1974)

The wheat plant: its origin, culture, growth, development, composition, varieties, diseases, etc., etc - Klippart, John H. (John Hancock), 1823 -1878 (A.O. Moore & company, 1860)

The wheat plant : its origin, culture, growth, development, composition, varieties, diseases, etc., etc. : together with a few remarks on Indian corn, its culture, etc - Klippart, John H. (John Hancock), 1823 -1878 (Moore, Wilstach, Keys, & co, 1860)

Wheeler's seeds, bulbs and plants for 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elbridge E. Wheeler, 1903)

Wheeler's trial collection of six royal roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elbridge E. Wheeler, 1904)

Wholesale catalogue of seeds plants and bulbs 1902 spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (James Vick, 1902)

Wholesale price list of garden and flower seeds and sundries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph Breck & Sons (Corporation), 1914)

Wholesale price-list of garden, flower, tree, agricultural and herb seeds : also, a select list of gladioli and other spring bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1897)

Wholesale price-list of garden, flower, tree, agricultural and herb seeds : also, a select list of gladiolus and other spring bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1895)

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, 1900)

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, 1902)

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

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

Wiener entomologische Zeitung (E. Reitter [etc.], 1908)

Wiener entomologische Zeitung (E. Reitter [etc.], 1916)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1899)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1901)

Wiesner-Festschrift - Linsbauer, Karl, 1872 -1934 (C. Konegen, 1908)

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

Wildland weeds - Florida Exotic Pest Plant Council. (Florida Exotic Pest Plant Council, 2004)

Willet's 1919 Spring catalog : field and garden seed for the South - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1919)

Willet's annual catalogue 1913 : the best seeds that grow for field for garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1913)

Willet's annual catalogue 1914 : the best seeds that grow for field for garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (N.L. Willet Seed Co, 1914)

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 : season 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Williams Seed Co., Inc, 1930)

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

Wilmington flora : a list of plants growing about Wilmington, North Carolina, with date of flowering. With a map of New Hanover county - Wood, Thomas Fanning, 1841 -1892 (Edwards, Broughton & Co, 1886)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1949)

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, 2005)

Wing's seed book : growers of the best field, garden and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wing Seed Co, 1915)

Wissenschaftliche Ergebnisse der Deutschen Zentral-Africa-Expedition, 1907-1908 : unter Führung Adolf Friedrichs, Herzogs zu Mecklenburg - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1914)

Wissenschaftliche ergebnisse einer reise in Griechenland und in den Jonischen inseln - Unger, F. (Franz), 1800 -1870 (Wilhelm Braumüller, 1862)

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

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1863)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1872)

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 guide for the farm and garden : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1912)

Wood's seeds 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1919)

Wood's seeds for 1918 : if you want the best of gardens, plant Wood's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1918)

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

Wood's seeds for fall planting : August, 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1916)

Woordenboek der Nederlandsche volksnamen van planten ; uit de gegevens, verzameld door de Commissie voor Nederlandsche Plantennamem - Heukels, Hendrik, 1854 -1936 (W. Versluys, 1907)

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

Wörterbuch der biologie. Von dr. Heinrich Schmidt - Schmidt, Heinrich, 1874 -1935 (A. Kröner, 1912)

Wörterbücher der Naturgeschichte : in der deutschen, holländischen, dänischen, schwedischen, englischen, französischen, italienischen, Spanischen und Portugisischen Sprache - Nemnich, Philipp Andreas, 1764 -1822 (Adam Friedrich Böhme, 1798)

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)

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

xi bao se su P450 mei xi de jie gou gong neng yu ying yong qian jing - Leng, Xinfu & Qiu Xinghui (ke xue chu ban she, 2001)

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

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (Govt. Print. Off, 1908)

Yield physiology of peanuts (Arachis hypogaea L.) - McGraw, Robert Luther, 1948 - (1979)

The Young naturalist (1888)

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

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2006)

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

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, 1904)

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, 1894)

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, 1913)

Zeitschrift des Mährischen Landesmuseums - Hucke, Karl. (Die Gesellschaft, 1916)

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1915)

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1921)

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1918)

Zeitschrift fur Acclimatisation - Acclimatisations Verein.

Zeitschrift für Botanik (1909)

Zeitschrift für Botanik (1910)

Zeitschrift für Botanik (1911)

Zeitschrift für Botanik (1912)

Zeitschrift für Botanik (1914)

Zeitschrift für Botanik (1915)

Zeitschrift für Botanik (1920)

Zeitschrift für Botanik (1922)

Zeitschrift für Botanik (1923)

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, 1854)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1856)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1862)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1867)