Roba di Roma. William W. Story. Chap. vii.
Ancient Rome in the Light of Recent Discoveries. Rodolfo Lanciani. P. 70.
Roman Doctors.
Gallus. W. A. Becker. P. 207.
Society in Rome under the Caesars. W. R. Inge. Chap. vi.
Roba di Roma. William W. Story. P. 527.
Remedies for Toothache and Hydrophobia.
Illustrated History of Ancient Literature. John D. Quakenbos. P. 404.
Ancient Microbes.
Walks in Rome. Augustus J. C. Hare. P. 416.