Umbria / edited by Paul Otto Schulz ; principal photography: Bill Wassman ; managing editor: Dorothy Stannard - Hong Kong : APA, 1996. - 303 p. : ill. ; 22 cm - Insight guides. Italy series . Previous ed.: 1992 ISBN: 9624212457 Subjects--Geographic Terms: Umbria Italy--Guidebooks LC Class. No.: BX1546 Dewey Class. No.: 914.56504929