Map of the Tiber delta by Eufrosino della Volpaia (1547)
Map of Ostia by Hieronymus Cock (1556)
Map of Ostia and Portus by G.B. Cingolani (1774)
Plan of Ostia by G. Verani (1804)
Plan of Ostia by P. Holl (1830)
Topographic survey of Ostia from balloon (1911)
General plan of Ostia (I. Gismondi, 1949, supplemented by M.A. Ricciardi in 1996)