Ferrill, Arther Caligula, emperor of Rome / Arther Ferrill - New York : Thames and Hudson , c1991. - 184p. us : retrs. ; 22.50 ISBN: 0-500-25112-6 Subjects--Personal Names: Caligula , Emperor of Rome (, 12-41) Subjects--Geographic Terms: Rome---History Dewey Class. No.: 92 CAL