digitaltrends.com/article10268.html ^ uwnews.washington.edu[リンク切れ] ^ MennoniteCentralCommittee Supportive Care Services Archived 2006年8月19日, at the Wayback
By Location. Adherents.com. Retrieved on 2010-12-23. ^ News | MennoniteCentralCommittee Archived 2006年8月21日, at the Wayback Machine.. Mcc.org. Retrieved
183-200 online ^ Lance Yoder's "Historical Sketch" in the online MennoniteCentralCommittee Photograph Collection Archived 2012-02-04 at the Wayback Machine