Include affidavits testifying to the excellence of the College of Agriculture at Cornell University prepared by Arnold and P. B. Crandall, and a letter from William C. Russel instructing Arnold on the preparation of his affidavit, 1874; a letter from Horatio Seymour to Arnold on the possibility of preparing a cheese suitable for Army use, 1878; and a letter from William C. Young thanking Arnold for his speech before the British Dairy Farmers Association, 1886.