Catholic Encyclopedia - St. Ludmilla, Bohemian duchess, grandmother of St. Wenceslaus. Strangled to death by assassins hired by her pagan daughter-in-law in 921. www.newadvent.org/cathen/09416a.htm
Catholic Online - Brief biography of St. Ludmilla. saints.catholic.org/saints/ludmilla.html
Patron Saints Index - Profile of St. Ludmila. Illustrated. www.catholic-forum.com/saints/saintl16.htm
