Essai sur un castrum ouvert
Subtitle: Ciliano, septembre - octobre 1251
Publisher: Accademia Senese degli Intronati
Published: 1977
Place of publication: <Siena
Language: ita
Notes: Caption title.

Offprinted from: Bullettino Senese di Storia Patria, LXXXII -LXXXIII, 1975-1976, pp. 360-371.