Rivius, Johann: Johannis Rivii de vera & salutari ecclesiae doctrina, de que pia hominis christiani vita : opera theologica omnia in 1 vol. coll. libris constans 26. Basilae : Oporinus: [1561]. Universitätsbibliothek Mainz, https://nbn-resolving.org/urn:nbn:de:hebis:77-vcol-17099 / Public Domain Mark 1.0