Klassifikation der Library of Congress [LCC] (USA)DG330.W55
⮑ DG. City
⮑ DG11-999. History of Italy
⮑ DG11-365. Ancient Italy. Rome to 476
⮑ DG201-365. History
⮑ DG221-365. By period
⮑ DG269.5-365. Empire, 27 B.C. - 476 A.D.
⮑ DG310-365. 284-476. Decline and fall