The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1995)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1999)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2002)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2009)

Wilson's garden book for 1919, sixth year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.J. Wilson Seed Co., Inc, 1919)

Wilson's seed annual for 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.J. Wilson Seed Co. Incorporated, 1914)

Wilson's seed annual for 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.J. Wilson Seed Company Incorporated, 1915)

Wilson's seed annual for 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.J. Wilson Seed Company Incorporated, 1916)

Wilson's seed annual for 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.J. Wilson Seed Company Incorporated, 1917)

Wilson's seed annual for 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.J. Wilson Seed Co., Inc, 1918)

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, 1978)

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)

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)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1904)

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 for fall planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1911)

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

Woodhawk botanical survey, Fergus County, Montana, Lewistown District of the Bureau of Land Management - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1997)

Woodruff's 1945 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Woodruff & Sons, 1945)

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

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)

wu ke lan de lin xing fen lei 乌克兰的林型分类 - Lavrinenko, D. D. (zhong guo lin ye chu ban she 中国林业出版社, 1958)

W.W. Rawson & Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1898)

W.W. Rawson & Co. seedsmen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1900)

W.W. Rawson & Co. seedsmen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.W. Rawson & Co, 1899)

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

xi lin guo le sheng wu quan bao hu qu tui hua sheng tai xi tong guan li - Han, Nianyong. (qing hua da xue chu ban she, 2002)

xi tian gao shan zhi wu de sheng tai xue te dian - Kulʹtiasov, I. M. (Igorʹ Mikhaĭlovich) (ke xue chu ban she)

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)

Year book 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1923)

Year book 1927 : Perfegro brand vegetable, field and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Co, 1927)

Year book 1930 : Perfegro brand vegetable, field and flower seeds for market gardeners and home planters - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Company, 1930)

Year book, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Graham & Ross Seed & Feed Co, 1931)

Year book 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Co, 1932)

Year book 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Co, 1933)

Year book for 1930 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Graham & Ross Seed & Feed Co, 1930)

Year book of 1931 : Perfegro brand vegetable, farm and flower seeds for critical planters - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rocky Mountain Seed Co, 1931)

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, 1897)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1898)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1899)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1900)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1904)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1906)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (Govt. Print. Off, 1906)

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

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

Your California planting guide, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.F. Smith & Co., Inc, 1943)

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

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, 1896)

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

Zeitschrift für Pflanzenzüchtung - Bayerischer Saatzuchtverein. (Paul Parey, 1913)

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

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1864)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1912)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1921)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1913)

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

zhong guo bei bu he xi bei bu zhong yao si liao zhi wu he du hai zhi wu - Cui, Youwen. (gao deng jiao yu chu ban she)

zhong guo dong bei zhi wu jian suo biao - dong bei nong lin xue yuan zhi wu jiao yan zu he bian (dong bei nong lin xue yuan zhi wu jiao yan zu)

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

zhong guo si yong zhi wu zhi 中国饲用植物志 - Zhongguo si yong zhi wu zhi bian ji wei yuan hui中国饲用植物志编辑委员会 (nong ye chu ban she农业出版社, 1987)

zhong guo si yong zhi wu zhi 中国饲用植物志 - Zhongguo si yong zhi wu zhi bian ji wei yuan hui中国饲用植物志编辑委员会 (nong ye chu ban she农业出版社, 1992)

zhong guo si yong zhi wu zhi 中国饲用植物志 - Zhongguo si yong zhi wu zhi bian ji wei yuan hui中国饲用植物志编辑委员会 (nong ye chu ban she农业出版社, 1989)

zhong guo si yong zhi wu zhi 中国饲用植物志 - Zhongguo si yong zhi wu zhi bian ji wei yuan hui中国饲用植物志编辑委员会 (nong ye chu ban she农业出版社, 1991)

zhong guo tan yang qu zhi wu zhi - xi bei zhi wu yan jiu suo ning xia hui zu zi zhi qu nong ye xian dai hua ji di ban gong shi (ning xia ren min chu ban she, 1988)

zhong guo zhu yao he ben zhi wu shu zhong jian suo biao - Geng, Yi Li (ke xue chu ban she, 1957)

zhong guo zhu yao zhi wu tu shuo he ben ke - Geng, Yi Li (ke xue chu ban she, 1959)

zhong zi zhi wu ming cheng - Zhongguo ke xue yuan bian yi ju (zhong guo ke xue yuan, 1954)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1914)

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