The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1966)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1971)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1975)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2007)

Winter bargain list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Couch Bros. Nursery Company, 1940)

Winter botany - Trelease, William, 1857 -1945 (The author, 1918)

Winter botany, a companion volume to the author's Plant materials of decorative gardening - Trelease, William, 1857 -1945 (Trelease, 1918)

Winter botany, a companion volume to the author's Plant materials of decorative gardening - Trelease, William, 1857 -1945 (The author, 1918)

Die wirtswechselnden rostpilze; versuch einer gesamtdarstellung ihrer biologischen verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtswechselnden Rostpilze : Versuch einer Gesamtdarstellung ihrer biologischen Verhältnisse - Klebahn, H. (Heinrich) (Gebrüder Borntraeger, 1904)

Die wirtwechselnden Rostpilze; Versuch einer Gesamtdarstellung ihrer biologischen Verha¨ltnisse - Klebahn, H. (Heinrich) (Gebrder Borntraeger, 1904)

Wissenschaftliche Ergebnisse der zweiten Deutschen Zentral-Afrika-Expedition, 1910-1911, unter Führung Adolf Friedrichs - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1922)

Wm. Flemer's Sons Inc., F. & F. Nurseries-Princeton Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Flemer's Sons Inc, 1928)

Wochenschrift des Vereines zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten für Gärtnerei und Pflanzenkunde - Koch, Karl, 1809 -1879 (Wiegandt & Hempel [etc.], 1868)

Wood grown plants : wholesale price list, winter and spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elk River Evergreen Company, 1935)

Woody plants in winter; a manual of common trees and shrubs in winter in the Northeastern United States and southeastern Canada - Ammons, Nelle P. 1889 - (Boxwood Press, 1958)

The woody plants of Kentucky - Garman, Harrison, 1858 - (Kentucky Agricultural Experiment Station of the State University, 1913)

Woody plants of the western national parks; containing keys for the identification of trees and shrubs - Bailey, Harold Edwards, 1906 - (University Press, 1949)

[Wyman's Framingham Nurseries materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1918)

Wyman's garden book, 1939 - Framingham Nurseries, Framingham, Mass. (Wyman's Framingham Nurseries, 1938)

Wyman's Garden Center : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wyman's Framingham Nurseries, 1949)

Wyman's Garden Center : 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wyman's Framingham Nurseries, 1950)

Year book, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, Inc, 1948)

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

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

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)

Year book of Stark Bro's Nurseries & Orchards Co - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stark Bro's Nurseries & Orchards Co, 1913)

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, 1903)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1909)

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

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

yun nan zhi wu zhi - Wu, Zhengyi. (ke xue chu ban she, 1991)

Yunnan zhong zi zhi wu ming lu - Zhongguo ke xue yuan. Kunming zhi wu yan jiu suo. (Yunnan ren min chu ban she, 1984)

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

Zeitschrift für Botanik (1920)

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

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1921)

zhi wu di li xue zhi wu sheng tai xue he di zhi wu xue de fa zhan - Li, Jitong (ke xue chu ban she)

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

Zoography; or, The beauties of nature displayed. In select descriptions from the animal, and vegetable, with additions from the mineral kingdom. Systematical arranged - Daniell, William, 1769 -1837 (Printed for Cadell and Davies, 1807)

The Zoologist : a monthly journal of natural history (1863)