• Encyclopaedia Britannica. “Perpetua.”
• Franciscan Media. “Saint of the Day: Saints Perpetua and Felicity.”
• New Advent. “Catholic Encyclopedia: Sts. Felicitas and Perpetua.”
• Vatican News. “Sts. Perpetua and Felicity, Martyrs.”

Slides are written from The Acutis Project research packet for Sts. Perpetua and Felicity, which draws on the sources above. Photo credits appear on each picture.