*[http://www.credenda.org Credenda Agenda] - This site was recently redesigned and the links below may soon disappear. Perhpas these volumes are still being edited for inclusion in the redesigned site?
**[http://www.credenda.org/old/issues/cont4-4.htm Is Orthodoxy Orthodox?] (''vol. 4:4'')
**[http://www.credenda.org/old/issues/cont6-5.htm Tradition Betrayed: Eastern Orthodoxy Examined in the Light of the Apostolic Faith] (''vol. 6:5'')
**[http://www.credenda.org/old/issues/cont8-5.htm Mother Kirk: Protesting Catholics and the Authority of the Church] (''vol. 8:5'')
::[http://www.orthodoxinfo.com/inquirers/credenda_response.htm Patrick Barnes responds to The Credenda Agenda 6:5], and [http://www.credenda.org/old/issues/vol6/eastern.htm their reply].
*[http://www.equip.org/free/DE177.htm Searching for the True Apostolic Church: What Evangelicals Should Know about Eastern Orthodoxy] by Paul Negrut
**[http://students.cua.edu/16kalvesmaki/CRJ.htm A Response from Joel Kalvesmaki]