首頁 > 253 Early Church Section and 100 Key Events in Church History
原來:https://chi.gospelcom.net/earlychurch& https://chi.gospelcom.net/events/index.shtml
修訂:https://www.christianhistoryinstitute.org/(原來網頁已不存在,惟網站內仍有值得參考的教會歷史簡介)。