- archaeologymag.com encyclopedia/triumphal-arch/
- touropia.com monumental-triumphal-arches/
- britannica.com Engineering Civil Engineering
- crystalinks.com romanarches.html
- archunion.ge triumphal arch
- stolenhistory.org Buildings and Structures Arches
- madainproject.com triumphal_arches_in_roman_forum
- academickids.com encyclopedia/index.php/Triumphal…
- flickr.com groups/triumphal_arch/pool/