The woody plants of Kentucky - Garman, Harrison, 1858 - (Kentucky Agricultural Experiment Station of the State University, 1913)

Woody plants of the western national parks; containing keys for the identification of trees and shrubs - Bailey, Harold Edwards, 1906 - (University Press, 1949)

World's choicest nursery products for rock-gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1916)

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

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

[Wyman's Framingham Nurseries materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1915)

[Wyman's Framingham Nurseries materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1918)

[Wyman's Framingham Nurseries materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1922)

Wynn Everett Everett, Massachusetts : draft environmental impact report. Vol. I and II - Fort Point Associates. (Fort Point Associates, Inc, 2013)

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

Year book, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Farina Nursery Company, 1927)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1902)

Young's garden book for 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Young's Seed Store, 1916)

Your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waukegan Nurseries, Incorporated, 1942)

Your garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waukegan Nurseries, Incorporated, 1941)

Your garden, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waukegan Nurseries, Incorporated, 1944)

Your home ... your garden [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1931)

Your home ... your garden [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1930)

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

Zeitschrift für Botanik (1914)

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 Pflanzenkrankheiten (E. Ulmer, 1891)

Zentralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (F. Deuticke, 1916)

zhi wu sheng li xue dao lun 植物生理学导论 - Meyer, Bernard S. (Bernard Sandler) 1901 - (nong ye chu ban she 农业出版社, 1981)

zhong guo sha mo zhi wu zhi - Liu, Yingxin (ke xue chu ban she, 1987)

zhong guo sheng tai xue fa zhan zhan lue yan jiu - Ma, Shijun. (zhong guo jing ji chu ban she, 1991)

zhong guo tan yang qu zhi wu zhi - Xu, Yangpeng & Wang Kezhi (ning xia ren min chu ban she, 1988)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1915)