Wyatt's tested seeds for 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt & Sons, 1955)

Wyatts seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt and Sons, 1935)

Wyatts seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Job P. Wyatt and Sons, 1936)

[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)

X-L brand seeds for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Graham & Ross Merc. Co, 1938)

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)

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

Year book 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1925)

Year book 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1926)

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

Year book 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (State Nursery & Seed Co, 1937)

The year book, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1941)

Year book for 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (State Nursery & Seed Co, 1934)

Year book for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (State Nursery & Seed Co, 1935)

Year book for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (State Nursery & Seed Co, 1936)

The year book for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1937)

The year book for 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1944)

Year book of the Pennsylvania Horticultural Society - Pennsylvania Horticultural Society. (Pennsylvania Horticulutural Society, 1986)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1896)

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, 1913)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1917)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1921)

Yellow eureka : mention price list no. 513 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.W. Wood & Sons, 1953)

Yokohama Nursery Co., Inc offers the following hardy tree seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yokohama Nursery Co., Inc, 1949)

The Yokohama Nursery Co., Ltd - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yokohama Nursery Co., Ltd, 1898)

Yopp garden seed : 40th annual catalogue and price list, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1950)

Yopp garden seed : 41st annual catalogue and price list, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1951)

Yopp garden seed : 42nd annual catalogue and price list, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1952)

Yopp's 26th annual seed catalog and garden guide, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Co., Inc, 1936)

Yopp's 28th annual seed catalog and garden guide, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Co., Inc, 1938)

Yopp's 29th annual seed catalog and garden guide, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Co., Inc, 1939)

Yopp's 32nd annual seed catalog and garden guide, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, Incorporated, 1942)

Yopp's annual seed catalog and garden guide 1923 : garden, field and flower seed, flower bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Co. (Incorporated), 1923)

Yopp's annual seed catalogue and garden guide for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, Incorporated, 1921)

Yopp's annual seed catalogue and garden guide for 1922 : garden, flower and field seed, flower bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1922)

Yopp's annual seed catalogue and garden guide : garden, flower, field seed : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1924)

Yopp's annual seed catalogue and gardeners' guide for 1920 : garden, flower and field seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M.J. Yopp Seed Co, 1920)

Yopp's eighteenth annual seed catalogue and garden guide : 1928 - G.E. Conkey Company. (Yopp Seed Company, 1928)

Yopp's garden seed : 36th annual catalogue and price list, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1946)

Yopp's garden seed : 38th annual catalogue and price list, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1948)

Yopp's garden seed : 39th annual catalogue and price list, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1949)

Yopp's nineteenth annual seed catalogue and garden guide, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1929)

Yopp's seventeenth annual seed catalogue and garden guide : 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1927)

Yopp's sixteenth annual seed catalogue and garden guide : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1926)

Yopp's twentieth annual seed catalogue and garden guide, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, 1930)

Yopp's twenty-fifth annual seed catalog and garden guide, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, Incorporated, 1935)

Yopp's twenty-first annual seed catalog : nineteen thirty-one - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, Incorporated, 1931)

Yopp's twenty-fourth annual seed catalog and garden guide, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, Incorporated, 1934)

Yopp's twenty-second annual seed catalog, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Yopp Seed Company, Incorporated, 1932)

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

Your 1940 copy : seventeenth annual descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robson Seed Farms, 1940)

Your 1941 copy : eighteenth annual descriptive catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robson Seed Farms, 1941)

Your 1944 guide to better perennials, roses, herbs, and other ornamentals - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1944)

Your 1945 guide to better perennials, roses, herbs, and other plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1945)

Your bargain book of fruits and flowers : spring 1950, our 57th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Allen's Nurseries and Seed House, 1950)

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

Your garden favorites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett-Seedsmen Inc, 1945)

Your garden favorites : garden for victory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett-Seedsmen Inc, 1944)

Your garden needs Barteldes seeds : 1940, our 73rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1940)

Your garden needs Barteldes seeds : our 74th year, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Barteldes Seed Co, 1941)

Your Gurney spring catalog for 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gurney Seed & Nursery Co, 1956)

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 2006)

yun nan zhong zi zhi wu ming lu - Zhongguo ke xue yuan. Kunming zhi wu yan jiu suo bian (yun nan ren min chu ban she)

zai pei zhi wu ming lu - Zhongguo ke xue yuan. Zhi wu yan jiu suo (zhong guo ke xue yuan)

Zeitschrift für Botanik (1910)

Zeitschrift für Botanik (1913)

zhi wu de fen bu (shang wu yin shu guan fa xing)

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

zhi wu sheng tai di li xue de nei rong ren wu gai nian he yan jiu fang fa - Hou, Xueyu (ke xue chu ban she)

zhi wu tu pu - Wang, Yunwu & Zhou Jianren. (shang wu yin shu guan fa xing)

zhi wu xue la ding wen . xia ce 植物学拉丁文.下册 - Stearn, W T (ke xue chu ban she 科学出版社, 1980)

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 jing nei suan xing tu gai zhi tu he yan jian tu de zhi shi zhi wu - Hou, Xueyu (zhong guo ke xue yuan)

zhong guo seng lin di li zi ran fen qu zong lun.1956nian ying lin bu fen,lin ye bu lin ye ke xue yan jiu suo yan jiu bao gao 中国森林地理自然分区总论.1956年营林部分,林业部林业科学研究所研究报告 - sen lin di li yan jiu shi, wu zhong lun 森林地理研究室主编, 吴中伦主编 (lin ye bu lin ye ke xue yan jiu suo 林业部林业科学研究所, 1958)

zhong guo sha mo zhi wu zhi - Liu, Yingxin (ke xue chu ban she, 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, 1991)

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, 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, 1992)

zhong guo tan yang qu zhi wu zhi - ning xia hui zu zi zhi qu nong ye xian dai hua ji di ban gong shi ning xia hui zu zi zhi qu xu mu ju shan xi sheng xi bei zhi wu yan jiu suo (ning xia ren min chu ban she, 1993)

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

zhong guo zhong zi zhi wu fen ke jian suo biao fu qiang wei ke dou ke ji he ben ke deng fen shu jian suo biao - Geng, Yi Li (zhong guo ke xue tu shu yi qi gong si, 1951)

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

zhong guo zhu yao zhi wu tu shuo dou ke - Zhongguo ke xue yuan. Zhi wu yan jiu suo (ke xue chu ban she, 1955)

zhong shan da xue kang le xiao yuan zhi wu - zhong shan da xue kang le xiao yuan sheng wu xi bian (zhong shan da xue kang le xiao yuan, 1955)

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

zhong zi zhi wu shu zhong jian suo biao . shang ce 种子植物属种检索表.上册 - Shanghai shi fan xue yuan hua dong shi fan da xue 上海师范学院, 华东师范大学 (ren min jiao yu chu ban she 人民教育出版社, 1980)

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)