Classificação da Biblioteca do Congresso dos EUA (LCC)DG235-269
⮑ DG. City
⮑ DG11-999. History of Italy
⮑ DG11-365. Ancient Italy. Rome to 476
⮑ DG201-365. History
⮑ DG221-365. By period
⮑ DG231-269. Kings and Republic, 753-27 B.C.
⮑ DG235-269. Republic, 509-27