The Life of the Greeks and Romans. Guhl and Koner. P. 341.
Source Book of Roman History,. Dana C. Munro. P. 111.
Means of Travel.
Gallus. W. A. Becker. Chap. iv.
The Private Life of the Romans. H. W. Johnston. P. 280.
The Life of the Greeks and Romans. Guhl and Koner. P. 514.
Via Appia.
Ancient Rome in the Light of Recent Discoveries. Rodolfo Lanciani. Pp. 130, 264.
The Private Life of the Romans. H. W. Johnston. P. 282.
Walks in Rome. Augustus J. C. Hare. Pp. 303, 343.