See:
- Iain Browning, Jerash and the Decapolis. 1982, pp. 68, 215- 216
- Department of Antiquities of Jordan - A Stage of Corinthian Order Development at Gerasa: An Analysis of the Mausoleum of Germanus - Studies in the History and Archaeology of Jordan 12 - Zdravko Dimitrov https://publication.doa.gov.jo/Publications/ViewChapterPublic/350