Il Piemonte nell'eta sveva @ tav. iii, iv

The cited information was published by Torino, 1968 (Ref: tav. iii, iv) The author/originator was F. Cognasso. This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
Il Piemonte nell'eta sveva. 

• References (2)
  • Parent Source: Il Piemonte nell'eta sveva
  • Individual: Gertrud of Brandenburg