The year book for 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1945)

The Year book for 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1950)

The Year book for 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1951)

The Year book for 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1952)

The Year book for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1953)

The Year book for 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1954)

The Year book for 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1955)

The Year book for 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1956)

The Year book for 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1957)

The year book for 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1959)

Year book of the Pennsylvania Horticultural Society - Pennsylvania Horticultural Society. (Pennsylvania Horticulutural Society, 1933)

Year book of the Pennsylvania Horticultural Society - Pennsylvania Horticultural Society. (Pennsylvania Horticulutural Society, 1991)

You can depend on the fruits we grow and sell ; Some of the "butter and egg" money used for flowering shrubs will make the front yard beautiful - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Howard-Hickory Co, 1927)

You'll gain quicker, stronger spring growth, and save on advancing costs by planting this fall - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.F. Barr Nurseries, 1941)

Your bargain book of fruits and flowers for farm and garden : spring 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Whitten Nurseries, 1948)

Your bargain book of fruits and flowers, spring 1943 : plant for victory, for profit Whitten's worthwhile nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Whitten Nurseries, 1943)

Your bargain book of fruits and flowers, spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Whitten Nurseries, 1947)

Your bargain book of fruits and flowers : spring 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Whitten Nurseries, 1950)

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, Inc, 1940)

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 garden [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramus Nursery, Inc, 1928)

Your home grounds can be beautiful! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Pontiac Nurseries, 1950)

yun nan zhi wu zhi - yun nan sheng zhi wu yan jiu suo (ke xue chu ban she, 1979)

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, 1914)

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

Zeitschrift für Botanik (1922)

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 Pflanzenkrankheiten (E. Ulmer, 1891)

zhe jiang tian mu shan yao yong zhi wu zhi 浙江天目山药用植物志 - Zhejiang ren min chu ban she 浙江人民出版社 (zhe jiang ren min chu ban she chu ban浙江人民出版社出版, 1965)

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

zhi wu tu shuo - Zhou, Jianren. (shang wu yin shu guan, 1939)

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

zhong guo sha chong zhi wu zhi 中国杀虫植物志 - Jiang, Chuanyi 姜传义 (xin jiang ke ji wei sheng chu ban she ( K )新疆科技卫生出版社(K), 2000)

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

zhong guo zao zhi zhi wu yuan liao zhi - Sun, Baoming & Li Zhongkai (qing gong ye chu ban she, 1959)

zhong guo zhi wu xue wen xian ping lun - Bretschneider, E. (Emil), 1833 -1901 (shang wu yin shu guan, 1957)

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

Zhongguo yao yong zhi wu zhi 中国药用植物志 - Pei, Jian 裴鑑 (zhong guo ke xue yuan zhi wu yan jiu suo中国科学院植物研究所)

zhu xi zhi wu zhi - Gan, Qiliang (hu bei chang jiang chu ban ji tuan hu bei ke xue ji shu chu ban she, 2005)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1886)

Zoologische Jahrbücher. Abteilung für allgemeine Zoologie und Physiologie der Tiere (G. Fischer, 1914)

zou xiang 21 shi ji de zhong guo sheng tai xue zhong guo sheng tai xue hui di wu jie quan guo hui yuan dai biao da hui-ji xue shu tao lun hui lun wen ji - Zhongguo sheng tai xue hui (zhong guo sheng tai xue hui, 1995)