7.-8. - Durand de Mende, Guillaume <1230-1296>. (OLS)http://ftis/name/53949; Thibodeau, T.M. (OLS)http://ftis/name/53951; Davril, Anselme. (OLS)http://ftis/name/53950 (Guillelmi Duranti Rationale divinorum officiorum, 2000)