Fernel, Jean: Ioannis Fernelii Ambiani De luis venerae curatione perfectissima liber. Antverpiæ : ex officina Christophori Plantini: 1579. Universitätsbibliothek Mainz, https://nbn-resolving.org/urn:nbn:de:hebis:77-vcol-23322 / Public Domain Mark 1.0