Catholic Encyclopedia - St. Catherine of Sweden, sometimes called Catherine Vastanensis. Daughter of St. Bridget of Sweden. Widow, pilgrim, superior of the Brigittine motherhouse, d. 1381. www.newadvent.org/cathen/03448a.htm
Catholic Online - Short biography of St. Catherine of Sweden. saints.catholic.org/saints/catherineofsweden.html
For All the Saints - Short biography of St. Catherine of Vadstena. users.erols.com/saintpat/ss/0324.htm#cath
Patron Saints Index - Profile of St. Catherine of Sweden. With links. www.catholic-forum.com/saints/saintc34.htm
The Ecole Glossary - Brief biography of St. Catherine of Sweden, by Karen Rae Keck. cedar.evansville.edu/~ecoleweb/glossary/cathsweden.html
The One Year Book of Saints - Biography of St. Catherine of Vadstena, by Clifford Stevens. www.ewtn.com/library/MARY/VADSTENA.htm