Kokuritsu Kokkai Toshokan (Japan)
RIGBY
Canada
United States. Congress. Senate. Committee on Agriculture and Forestry
United States. Congress. Senate. Committee to Audit and Control the Contingent Expenses
New York (State).
John G. Haygreen
Liupanshui Shi di fang zhi bian zuan wei yuan hui
John E. Wagner
中国农业百科全书编辑部
Spargo, John
Sophie Higman
William H. Conner
Christian Messier
Patricia Shanley
Darling, Malcolm Sir
Frans Bongers
Alston Chase
Jürgen Bauhus
Nigel Dudley