The Councils of Urban 2. : Volume 1. : Decreta Claromontensia - Somerville, Robert. (OLS)http://semarc/name/22834 (Adolf. M. Hakkert, 1972)
Keywords: Urbano II <papa; ca. 1040-1099>. (OLS)http://semarc/subject/9784; Concili - Atti e documenti. (OLS)http://semarc/subject/371