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)

A Yosemite flora; a descriptive account of the ferns and flowering plants, including the trees, of the Yosemite National Park; with simple keys for their identification ... - Hall, Carlotta Case. (Elder, 1912)

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

The young gardener's assistant : containing a catalogue of garden & flower seeds, with practical directions under each head for the cultivation of culinary vegetables and flowers ; also directions for cultivating fruit trees, the grape vine, &c., to which is added a calendar, showing the work necessary to be done in the various departments of gardening in every month of the year - Bridgeman, Thomas, 1786 -1850 ([s.n.], 1840)

The young gardener's assistant; containing a catalogue of garden & flower seeds, with practical directions under each head, for the cultivation of culinary vegetables and flowers. Also directions for cultivating fruit trees, the grape vine, &c.; to which is added, a calendar, showing the work necessary to be done in the various departments of gardening in every month of the year ... - Bridgeman, Thomas, 1786 -1850 (Mitchell & Turner, 1837)

The young gardener's assistant; containing a catalogue of garden & flower seeds, with practical directions under each head, for the cultivation of culinary vegetables and flowers, also directions for cultivating fruit trees, the grape vine, & c.; to which is added, a calendar, showing the work necessary to be done in the various departments of gardening in every month of the year - Bridgeman, Thomas, 1786 -1850 (For sale by T. Bridgeman [etc.], 1840)

The young gardener's assistant, in three parts: containing catalogues of garden and flower seed, with practical directions under each head for the cultivation of culinary vegetables and flowers: also, directions for cultivating fruit trees, the grape vine, &c. To which is added, a calendar to each part: showing the work necessary to be done in the various departments each month of the year ... - Bridgeman, Thomas, 1786 -1850 (For sale by the author [etc.], 1844)

The young gardener's assistant : in three parts containing catalogues of garden and flower seed, with practical directions under each head for the cultivation of culinary vegetables and flowers ; also, directions for cultivating fruit trees, the grape vine, &c., to which is added, a calendar to each part: showing the work necessary to be done in the various departments each month of the year ; the whole adapted to the climate of the United States - Bridgeman, Thomas, 1786 -1850 (For sale by the author, Broadway, corner of Eighteenth Street, 1845)

The young gardener's assistant, in three parts, containing catalogues of garden and flower seeds, with practical directions under each head for the cultivation of culinary vegetables and flowers; also, direction for cultivating fruit trees, the grape vine, &c., to which is added a calendar to each part: showing the work necessary to be done in the various departments each month of the year. The whole adapted to the climate of the United States - Bridgeman, Thomas, 1786 -1850 (The author, 1847)

The young gardener's assistant, in three parts, containing catalogues of garden and flower seed, with directions under each head for the cultivation of culinary vegetables and flowers - Bridgeman, Thomas, 1786 -1850 (The author, 1847)

The young gardener's assistant, in three parts containing catalogues of garden and flower seed - Bridgeman, Thomas, 1786 -1850 (For sale by the author and E. Walker [etc, 1847)

The young lady's book of botany : being a popular introduction to that delightful science - University of Leeds. Library. (Robert Tyas, 1838)

Your 1949 garden book : the best rose forty-niner - Henry A. Dreer (Firm) (Henry A. Dreer, 1949)

Your blue book of gardening : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Winsel-Gibbs Seed Company, 1926)

Your garden favorites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett-Seedsmen Inc, 1937)

Your garden needs in plants and seeds for nineteen twenty-six : our fourth year - Roderick M. Crocket & Co., Inc. (Roderick M. Crocket & Co, 1926)

Your garden year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward T. Bromfield Seed Co, 1923)

Your planting list for spring 1928 : everything for your garden ... : flowering plants, vegetables, cut flowers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rhinebeck Floral Company, 1928)

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

Zeitschrift für Botanik (1914)

Zeitschrift für Botanik (1915)

Zeitschrift für Botanik (1916)

Zeitschrift für Botanik (1921)

Zeitschrift für Botanik (1922)

Zeitschrift für Botanik (1923)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1874)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1908)

Zeitschrift für induktive Abstammungs- und Vererbungslehre (Springer-Verlag, 1921)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

zhi wu jie pou xue : shi yan he jie shuo . shang ce 植物解剖学:试验和解说.上册 - Cutter, Elizabeth Graham (ke xue chu ban she 科学出版社, 1973)

zhong guo zhong zi zhi wu fen lei xue - zheng mian (shang hai ke xue ji shu chu ban she, 1959)

Zoe:a biological journal (Zoe Publishing Co, 1901)