This article discusses Protestant and other forbidden books included on the Index librorum prohibitorum (List
of Prohibited Books) from Pope Paul IV (1559) to Benedict XIV (1758), which, according to book catalogs, were located in the former or still-functioning Minorite, Franciscan, Capuchin, and Dominican monasteries in Lower Styria. Works by Class I authors (I. Cl. Ind. Trid.), where the reformers are mainly found (Luther, Hus, Melanchthon, and Trubar), were completely banned. This was followed by individual prohibited works (e.g., by Johann Ludwig Schönleben) and works with problematic passages, forbidden until corrected (donec corrigantur; e.g., Johannes Schneidewein).
