TY - GEN ID - BVMC:657718 AU - Pedro Canisio , Santo AU - Busaeus, Petrus , S.I. TI - Opus catechisticum sive de Summa doctrinae christianae UR - https://www.cervantesvirtual.com/obra/opus-catechisticum-sive-de-summa-doctrinae-christianae-0 ER -