RT Book T1 The manual from Bystorp: Lund University Library, Medeltidshandskrift 43a T2 Bibliotheca liturgica Danica. Ser. Latina. Vol. 2 A1 Strömberg, Bengt LA English PP Egtved PB Ed. Egtved YR 1982 UL https://ixtheo.de/Record/1102016705 K1 Augustinus, Aurelius : Heiliger : 354-430 : Manuale K1 Liturgie K1 Quelle