Columbia subject headings:
Decius, Gaius Messius Quintus Trajanus, Emperor of Rome, 201-251.
Persecution--History--Early church, ca. 30-600.
Harvard subject headings:
Decins, Cains Messius Quintus Trajanus, Emperor of Rome, approximately 200-251.
Persecution--History--Early church, ca. 30-600
Princeton subject headings: