Sena, Urbs Hetruriae. (The city of Siena, from Orlando Malavolti, Dell'Historia di Siena, Venice, 1599).
Malavolti, Orlando.
[Oxford :  Clarendon Press, 
1970]
Facsimile.
In: The Finance of the Commune of Siena 1287-1355. [By] W.M. Bowsky.
Reference.