Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1892)

Wiener illustrirte Garten-Zeitung - Kaiserlich-Königliche Gartenbau-Gesellschaft in Wien. (W. Frick, 1897)

Wild flowers, ornamentals, trees, shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pavek Nursery, 1951)

Wild flowers, perennials, rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gunther Gardens, 1929)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1881)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1882)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1883)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1885)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1886)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1887)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1890)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1904)

[William Bull (Firm) materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1913)

[William Ewing Company materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1908)

Wm. Ewing & Co.'s seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Ewing & Co, 1902)

Wm. Ewing & Co.'s seed catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Ewing & Co, 1901)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1866)

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

Wylie's hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wylie Nurseries, 1926)

Wylie's hardy perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wylie Nurseries, 1923)

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

You and your garden : [catalog of nursery stock] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gloede's Conservatories, 1925)

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

Your best buy for naturalizing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1950)

Your fall garden guide 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1950)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 1997)

Zandbergen Bros., "Tulipdom" : 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Zandbergen Brothers, 1950)

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)

zhong guo sha mo zhi wu zhi - Liu, Yingxin (ke xue chu ban she, 1985)

Zhong guo tui hua sheng tai xi tong yan jiu = Studies on degraded ecosystems in China - Chen, Lingzhi, 1933 - (Zhong guo ke xue ji shu chu ban she, 1995)

zhong guo zhi wu ke shu jian suo biao - Zhongguo zhi wu yan jiu suo bian (zhong guo ke xue yuan zhi wu yan jiu suo, 1953)

zhong guo zhong zi zhi wu ke shu ci dian - Hou, Kuanzhao 侯宽昭 (ke xue chu ban she, 1982)

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, 1889)