The Roman empire / edited by Gilbert Picard and Henri Stierlin; photos by Yvan Butler; preface Paolo Portoghesi. - Lausanne : Taschen , [n.d.] - 192 p. : illustrations ; 21 cm. - Architecture of the world . Includes bibliographical references. ISBN: 3822893056 Subjects--Topical Terms: Architecture, Roman. Dewey Class. No.: 722.7 / ROM