Davis, Gideon, [52]
Day, F. B., donor, [69]
Decker, Alexander C., [301], [303]
Decker Spread barbed wire, [301]
Deer, traps for, [352]
Deere, John, [42]
Deere plows and tractors, [42], [223], [224], [362]
Deere and Company, donor, [42], [362], [363], [409]
Deerfoot Farm Co., donor, [8]