• Encyclopaedia Britannica. “Saint Bernadette of Lourdes.”
• Franciscan Media. “Saint of the Day: Saint Bernadette Soubirous.”
• Catholic Encyclopedia. “Notre-Dame de Lourdes.”
• Sanctuary of Our Lady of Lourdes. “Bernadette Soubirous” and “The Apparitions.”
• The Holy See. “Catechism of the Catholic Church,” paragraph 67, on private revelations.

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