Note 1498 — Chapter XII · REGIONAL GEOGRAPHY (continued 2)
Reading edition
On another source of wealth of Northern Italy, its auriferous rivers, as listed in the Honorantie civitatis papie, a document of the second half of the ninth century, see F. Landogna, Su alcuni fiumi auriferi nell’ alto medio evo, in: Rivista geografica italiana, vol. xxxi, Florence, 1924, pp. 77–86.