• The Holy See. “His Holiness John Paul II: Short Biography.” Vatican website, vatican.va.
• Saint John Paul II National Shrine. “Biography of Saint John Paul II.” Saint John Paul II National Shrine, jp2shrine.org.
• Franciscan Media. “Saint of the Day: Saint John Paul II.” Franciscan Media, franciscanmedia.org.
• Vatican News. “Saint John Paul II.” Vatican News, vaticannews.va.
• Encyclopaedia Britannica. “St. John Paul II.” Britannica, britannica.com.

Slides are written from The Acutis Project research packet for St. John Paul II, which draws on the sources above. Photo credits appear on each picture.