Yard and garden; a book of practical information for the amateur gardener in city, town or suburb - Baker, Tarkington, 1878 -1924 (The Bobbs-Merrill company, 1908)

Year book - Toronto Horticultural Society (1911)

Year book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plainfield Nursery, 1929)

Year book Section II, No. 37 a complete catalog of evergreen shrubs, trees, vines, annuals, perennials, roses, peonies, iris, phlox, gladioli, dahlias & accessories - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Little Tree Farms, 1927)

Year book : 1927 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (State Nursery and Seed Co, 1927)

Year book : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (State Nursery and Seed Company, 1928)

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

Year book, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1949)

Year book [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plainfield Nursery, 1927)

Year book [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Plainfield Nursery, 1926)

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)

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

The year book for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1938)

The year book for 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1940)

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

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)

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

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, 1937)

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 für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1860)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1913)

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)

Zoologische Annalen (A. Stuber's Verlag (C. Kabitzsch, 1908)