Gardner, Julian (2010) Review of Die kirchen der stadt Rom im Mittelalter 1050–1300, vol. 2, S. Giovanni in Laterano by Claussen, P. C. Journal of the Society of Architectural Historians, Vol.69 (No.3). pp. 446-448. ISSN 0037-9808

Gardner, Julian (2009) Review of De la Cité de dieu au palais du pape. Les résidences pontificales dans la seconde moitié du XIIIe siècle (1254–1304) by Le Pogam, P.-Y. Journal of Ecclesiastical History, Vol.60 (No.1). pp. 161-163. ISSN 0022-0469

Gardner, Julian (2008) A Review of: Sienese painting after the black death: Artistic pluralism, politics, and the new art market by Steinhoff, J.B. Speculum, Vol.83 (No.3). pp. 763-764. ISSN 0038-7134