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By "Pure Culture Spawn Co. "
Mushrooms : guide to mushroom culture /
By: Pure Culture Spawn Co.
Edition: 5th ed.
Publication info: Pacific, Mo. :Pure Culture Spawn Co.,c1908.
Contributed by: Library of Congress
BHL Collections: Library of Congress
Mushrooms and mushroom spawns and guide to mushroom culture /
By: Henry G. Gilbert Nursery and Seed Trade Catalog Collection. - Pure Culture Spawn Co.
Edition: 2nd ed.
Publication info: Meramec Highlands, St. Louis Co., Mo. :Pure Culture Spawn Co.,[1905?]
Contributed by: U.S. Department of Agriculture, National Agricultural Library
BHL Collections: Seed & Nursery Catalogs