St. Casimir, Prince of Poland, remained unmarried by choice, d. in 1484 at the age of 25.

Meditation on the life of St. Casimir, by Terry Matz.

Three versions of the life of St. Casimir: for children ages 0-8, children 8-14, and age 14-adult.

St. Casimir, Prince of Poland. From Fr. Alban Butler's Lives of the Saints.

Profile of St. Casimir of Poland.

The story of St. Casimir. Suitable for children.