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Address: delivered before the Philadelphia society for promoting agriculture
Colleges for the benefit of agriculture and mechanic arts
Act 44 to provide for the encouragment of agriculture
Elements of agriculture; a text-book for public schools
Address on the relations of physical geography to agriculture
Address delivered before the Philadelphia society for promoting agriculture
The American text book of practical and scientific agriculture
Laws applicable to the United States Department of Agriculture
U.S. Department of Agriculture's disaster assistance for specialty crops : hearing before the Subcommittee on Specialty Crops and Natural Resources o…
A manual for laboratory and field studies in agriculture