- sgira.org archrevqr.htm
- architectureofcities.com roman-triumphal-arches
- Alchetron.com Triumphal-arch
- tr.mgwiki.top wiki/Triumphal_Arch_(woodcut)
- earthnworlds.com monumental-triumphal-arches/
- france-voyage.com travel-photos/triumphal-arch-…
- torart.com en-ww/palmyras-triumphal-arch.aspx
- publicdomainreview.org collection/the-triumphal-…
- thingstodopost.org tag/triumphal-arch