PARADIGM ANO PROGENY: ROMAN IMPERIAL ARCHITECTURE AND ITS LEGACY PROCEEDINGS OF A CONFERENCE HELD AT THE AMERICAN ACADEMY IN ROME ON 6-7 D ECEMBER, 2011 IN HONOR OF WILLIAM L. MACDONALD edited by D. Favro, F. K. Yegiil, J. Pinto, and G. Métraux with contributions by T. C. Brennan, D. Favro, E. Fentress, S. Gatti, P. Gros, L. Haselberger, T. N. Howe, E. La Rocca, G. Métraux, T. Morton, J. Packer, J. Pinta, G. Ponti, M. Spanu, and F. K. Yegiil PORTSMOUTH, RHODE ISLAND 2015