Description: Records of the Henry F.A. Bock (1924, 1926-40) and the Walter and Adam Bock Brothers (1941-59) 230 acre farms in Oran Township, Beason (Logan County), and records of the Henry Bock (1945-53, 1955-79) 500 acre farm in west Lincoln Township (Logan County). Recorded in Farm Account Books prepared by the Department of Agricultural Economics (1924-45) and on forms adapted by the Illinois Farm Bureau Farm Management Service (1944-66), the records contain detailed information on farm operations for each year including an inventory of land, improvements, buildings and livestock; livestock fees and sales; dairy and egg sales; machinery, equipment and automobile inventory and operating expenses; map of the farm and crop-system summary; crops raised and sold; inventory of feed, grain and supplies; cash receipts and expense; summary of expenses including taxes and unpaid family labor; capital purchases and sales; products used on the farm and a financial and business analysis summary.