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Boys' Corn-growing Contest in 1911
Charles Orval Appleman
Fred Wilson Besley
G. H. Hibberd
Harry Jacob Patterson
John Bitting Smith Norton
Levin Bowland Broughton
Nickolas Schmitz
Philip Smith
Roy Harrison Waite
Thomas H. White
G. E. Wolcott
Wallace Edwin Hanger
H. J. White
其他書名
Suggestions for Corn-growing and Conducting a Contest
出版
Maryland Agricultural Experiment Station
, 1912
URL
http://books.google.com.hk/books?id=FtpQAQAAMAAJ&hl=&source=gbs_api