Rabun Taylor, "Tiber River Bridges and the Development of the Ancient City of Rome", in
The Waters of Rome
, vol. 2, 2002.
Aquae Urbis Romae: the Waters of the City of Rome
Figure 3. R. Lanciani,
Forma Urbis Romae
(Milan, 1893-98), Reprint (Rome, 1990), plate 28, detail.