Ewing, Cortez A. M. "Early Kansas Impeachments," Kansas Historical Quarterly, August 1932 (Vol. 1, No. 4), p. 307-325, digitized with permission of the Kansas Historical Society. (accessed July 25, 2013) نسخة محفوظة 13 أكتوبر 2017 على موقع واي باك مشين.
Ewing, Cortez A. M. "Early Kansas Impeachments," Kansas Historical Quarterly, August 1932 (Vol. 1, No. 4), p. 307-325, digitized with permission of the Kansas Historical Society. (accessed July 25, 2013) نسخة محفوظة 13 أكتوبر 2017 على موقع واي باك مشين.