1
Cyhoeddwyd: 2006.
Superior document: Brill's series in church history, v. 26
2
Cyhoeddwyd: 2006.
Superior document: Brill's series in church history, v. 26
3
Cyhoeddwyd: 1999.
Superior document: Brill's studies in intellectual history, volume 98
4
Awduron Eraill:
“...Goudriaan, Aza,...”
5
Cyhoeddwyd: 2011.
Superior document: Brill's series in church history, v. 49
6
Cyhoeddwyd: 2011.
Superior document: Brill's series in church history, v. 49
Links: Cael y testun llawn