The year book for 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weston Nurseries, 1942)

Yearbook of the Heather Society - Heather Society (The Society, 1973)

Yearbook of the Heather Society - Heather Society (The Society, 1972)

Young's Point Provincial Park and Williamson Provincial Park management plan - Alberta. Alberta Community Development. (Alberta Community Development, Parks and Protected Areas, 2003)

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)

Your price brochure from Evergreen Garden Nursery, division of Stewart's Yule Tree Farm : evergreens, trees, and modern plants, locally grown and north-hardy, rustic fencing - flagpoles - lamp posts, visitors and browsers always welcome - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Evergreen Garden Nursery, 1955)

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

Zeitschrift für Botanik (1910)

Zeitschrift für Botanik (1913)

Zeitschrift für Botanik (1914)

Zeitschrift für Botanik (1916)

Zeitschrift für Botanik (1921)

Zeitschrift für Botanik (1922)

Zeitschrift für Botanik (1923)

Zeitschrift für Botanik (1924)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1875)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1891)

Zeitschrift für Pflanzenkrankheiten (E. Ulmer, 1921)

Zentralblatt für Zoologie, allgemeine und experimentelle Biologie (B.G. Teubner, 1913)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1885)

Zoologisches Zentralblatt (W. Engelmann, 1909)

The Zoologist : a monthly journal of natural history (1860)