Clayton CountyHistory of Clayton County, Iowa...Chicago: Inter-State Pub. Co., 1882. - index online, all bios online*
Portrait and Bographical Record of Dubuque, Jones and Clayton Counties,..., Chicago: Chapman Pub. Co., 1894.
History of Clayton County, Iowa..., by Realto E. Price. 2 vols. Chicago: Robert O. Law Co., 1916. - index, 42 bios online
History of Clayton County, Iowa. Elkader: Clayton County Gen. Soc., 1984.