Perlman, Seth. „Archer Daniels Midland - 4,159 employees“. Herald & Review (1-mart 2017-yil). Qaraldi: 17-fevral 2021-yil. „ADM first found a home in Decatur in 1939 and in 1969 ADM moved its corporate offices and research laboratory to Decatur.“.
Gasparro, Annie. „ADM Leaves Decatur With Little Town Blues“. The Wall Street Journal (26-sentabr 2013-yil). Qaraldi: 17-fevral 2021-yil. „It moved its headquarters here from Minneapolis in 1969.“.