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Opportunities for Profitable Farming in Northern Wisconsin
Andrew Robeson Whitson
Edmond Joseph Delwiche
Edward Richard Jones
Fritz Wilhelm Woll
Harry Luman Russell
Henry Charles Taylor
James Garfield Moore
Stephen Moulton Babcock
Edwin Bret Hart
Frederick John Sievers
George Colvin Humphrey
Edward Holyoke Farrington
出版
University of Wisconsin, Agricultural Experiment Station
, 1910
URL
http://books.google.com.hk/books?id=esVKAQAAMAAJ&hl=&source=gbs_api