Catholic Online: Blessed Margaret of Castello
- Biography.
- http://www.catholic.org/saints/saint.php?saint_id=233

Blessed Margaret of Città di Castello
- Biography of Bl. Margaret of Castello, also called Margaret of Metola.
- http://www.saintpatrickdc.org/ss/0413.htm#marg

Coaching from Heaven: Blessed Margaret of Castello
- Pious biography of Bl. Margaret, with tips for parents in using her story to teach children.
- http://www.catholicparenting.com/Html/Coaching/BlessedMargaret.htm

Blessed Margaret of Castello Shrine
- Novena prayer, prayer for canonization, biographical profile of Bl. Margaret, from shrine in Louisville, Kentucky.
- http://www.avemaria.org/Blessed%20Margaret/blmar.html

Madeline Pecora Nugent: Blessed Margaret of Castello
- The story of Bl. Margaret, told from a pro-life perspective.
- http://www.priestsforlife.org/testimony/castello.html

Margaret of Castello
- Profile of Bl. Margaret of Castello, also known as Margaret of Citta-di-Castello.
- http://www.catholic-forum.com/saints/saintm44.htm