1.

図書
図書
1. Mushroom growing
by B.M. Duggar
出版情報: New York : O. Judd, 1915
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2.

図書
図書
2. Fungous diseases of plants : with chapters on physiology, culture methods and technique
by Benjamin Minge Duggar
出版情報: Boston : Ginn, c1909
シリーズ名: Country life education series
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3.

図書
図書
3. Biological effects of radiation : mechanism and measurement of radiation, applications in biology, photochemical reactions, effects of radiant energy on organisms and organic products (v. 1 ; v. 2)
edited by Benjamin M. Duggar ; with the cooperation of Janet Howell Clark ... [et al.]
出版情報: New York ; London : Mcgraw-Hill, c1936
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