A. G. Mueller

• Summary of Illinois farm business records, 1963, 39th annual
• Summary of Illinois farm business records, 1964, 40th annual
• Summary of Illinois farm business records, 1965, 41st annual
• Summary of Illinois farm business records, 1966, 42nd annual
• Summary of Illinois farm business records, 1967, 43rd annual
• Summary of Illinois farm business records, 1968, 44th annual