Bibliografía (16 obras)
Book of the Laws of Countries : Dialogue on Fate of Bardaisan of Edessa
2007
The Book of the Laws of Countries
All those nations --
1999
The old Syriac inscriptions of Edessa and Osrhoene
1998
Cults and Beliefs at Edessa (Education and Society in the Middle Ages and Renaissance)
1997
The finding of the True Cross
The Religions of Palmyra (Iconography of Religions Section 15 - Mesopotamia and the Near East)
History and religion in late antique Syria
1994
East of Antioch
1984
Struggles of gods
Cults and beliefs at Edessa
1980
The religion of Palmyra
1976
Old-Syriac (Edessean) inscriptions
1972
Baʻal Shamîn, de Heer van de Hemel
1971
Bardaisan of Edessa
1966
Bardaiṣan of Edessa