Catholic Encyclopedia - St. Casimir, Prince of Poland, remained unmarried by choice, d. in 1484 at the age of 25. www.newadvent.org/cathen/03402a.htm
Catholic Online - Meditation on the life of St. Casimir, by Terry Matz. www.catholic.org/saints/saints/casimir.html
Daily Catholic - Short hagiography of St. Casimir. www.catholic-internet.org/issue/archives/1998Mar/45mar4,vol.9,no.45txt/45litt.htm
Domestic Church - Three versions of the life of St. Casimir: for children ages 0-8, children 8-14, and age 14-adult. www.domestic-church.com/CONTENT.DCC/19980301/SAINTS/STCASIMR.HTM
Lives of the Saints - St. Casimir, Prince of Poland. From Fr. Alban Butler's Lives of the Saints. www.cin.org/saints/casimir.html
Patron Saints Index - Profile of St. Casimir of Poland. www.catholic-forum.com/saints/saintc12.htm
