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

Weed management plan - Montana. Department of Fish, Wildlife,; Parks (Montana Department of Fish, Wildlife and Parks, 1993)

The weed problem at the Stuart Forest Nursery, Pollock, La - Southern Forest Experiment Station (New Orleans, La.) (USDA Forest Service, Southern Forest Experiment Station, 1936)

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)

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)

Weeds that affect human health - Williams, M. Coburn. (s.n, 1980)

Weekly Entomologist / Altrincham (1862)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 1995)

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, 1903)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1961)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1962)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1963)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1964)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1969)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1978)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1992)

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, 1995)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1998)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 1999)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2001)

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2008)

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

The Western Australian Naturalist - Western Australian Naturalists' Club (Western Australian Naturalists' Club, 2012)

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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, 1896)

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)

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

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Der wiesenbau in seinem ganzen umfange - Häfener, Franz. (C. Mäcken, 1847)

Wild flowers of the year (Religious Tract Society, 1800)

Wild grasses of Alabama : with full descriptions of twenty-five species valuable for stock raising - Mell, Patrick Hues, 1850 -1918 (Printed by the students, 1886)

Wild life in Wales - Bolam, George. (F. Palmer, 1913)

Wildland weeds - Florida Exotic Pest Plant Council. (Florida Exotic Pest Plant Council, 2006)

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Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1859)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1873)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1892)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1902)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1901)

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, 1949)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1961)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1996)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2002)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2004)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2009)

Die wirtswechselnden rostpilze; versuch einer gesamtdarstellung ihrer biologischen verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtswechselnden Rostpilze : Versuch einer Gesamtdarstellung ihrer biologischen Verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtwechselnden Rostpilze; Versuch einer Gesamtdarstellung ihrer biologischen Verha¨ltnisse - Klebahn, H. (Heinrich) (Gebrder Borntraeger, 1904)

Wissenchaftliche ergebnisse der Schwedischen sèudpolar-expedition 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches institut des Generalstabs, 1908)

Wissenchaftliche ergebnisse der Schwedischen sèudpolar-expedition 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches institut des Generalstabs, 1919)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1922)

Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899 - Chun, Carl, 1852 -1914 (G. Fischer, 1908)

Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition, 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches Institut des Generalstabs, 1905)

Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition, 1901-1903 - Nordenskjöld, Otto, 1869 -1928 (Lithographisches Institut des Generalstabs, 1908)

Wissenschaftliche Ergebnisse der zweiten Deutschen Zentral-Afrika-Expedition, 1910-1911, unter Führung Adolf Friedrichs - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1922)

Wissenschaftliche Meersuntersuchungen. Abt. Helgoland - Biologische Anstalt Helgoland. (Lipsius und Tischer, 1900)

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Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1904)

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.], 1866)

Woodruff's 1944 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1944)

Woodruff's 1946 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Woodruff & Sons, Inc, 1946)

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

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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)

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

xin jiang sheng wu duo yang xing - Yuan, Guoying (xin jiang ke xue ji shu chu ban she, 2008)

xin jiang zong he kao cha bao gao:1956 nian 新疆综合考察报告:1956年 - Zhongguo ke xue yuan. Xinjiang zong ge kao cha dui 中国科学院新疆综合考察队 (ke xue chu ban she 科学出版社, 1958)

The year-book of agriculture : or The annual of agricultural progress and discovery for 1855 and 1856. Exhibiting the most important discoveries and improvements in agricultural mechanics, agricultural chemistry, agricultural and horticultural botany, agricultural and economic geology, agricultural zoology, meteorology, &c. Together wth statistics of American growth and production, a list of recent agricultural publications, classified tables of American agricultural patents for 1854-55, a catalogue of fruits adapted to the different sections of the United States, &c. With a comprehensive review, by the author, of the progress of American and foreign agriculture for the year 1855. Illustratd with numerous engravings - Wells, David A. (David Ames), 1828 -1898 (Childs & Peterson, 1856)

The Year-book of agriculture, or, The annual of agricultural progress and discovery - Wells, David A. (David Ames), 1828 -1898 (Childs & Peterson, 1855)

Year-book of agriculture; or, The annual of agricultural progress and discovery, for 1855 and 1856 - Wells, David A. (David Ames), 1828 -1898 (Childs & Peterson, 1856)

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

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

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

you hua zhi wu ke zhi shuang zi ye zhi wu - Hutchinson, J. (John) 1884 -1972 (shang wu yin shu guan)

The Young naturalist (1879)

The Young naturalist (1880)

The Young naturalist (1881)

The Young naturalist (1883)

The Young naturalist (1886)

The Young naturalist (1887)

The Young naturalist (1888)

Young's Point Provincial Park and Williamson Provincial Park management plan - Alberta. Alberta Community Development. (Alberta Community Development, Parks and Protected Areas, 2003)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2003)

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

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)