Alchin, Linda (2008). "Awning at the Colosseum". Roman Colosseum website. Linda K. Alchin. Archived from the original on 29 August 2011. Retrieved 9 May 2012.
Alchin, Linda (2008). "Awning at the Colosseum". Roman Colosseum website. Linda K. Alchin. Archived from the original on 29 August 2011. Retrieved 9 May 2012.