De militia Romana libri 5 : commentarius ad Polybium ; e parte primâ historicae facis / Justus Lipsius. Antverpiae : Plantin-Moretus: [1596]. Universitätsbibliothek Mainz, https://nbn-resolving.org/urn:nbn:de:hebis:77-vcol-28986 / Public Domain Mark 1.0