Note 387 — Chapter IV · THE SOURCES FOR THE PERIOD 1100–1250 A. D.
Reading edition
The De eodem et diverso indicates that Adelard had already visited Salerno and Sicily at the time that it was written. In the Quaestiones naturales he mentions Tarsus and Antioch as places where he had been (Haskins, Adelard, 1911, pp. 492–493; Studies, 1924, p. 26).