Catholic Encyclopedia: St. Catherine of Sweden
Or Catherine Vastanensis. Daughter of St. Bridget of Sweden. Widow, pilgrim, superior of the Brigittine motherhouse, d. 1381. Biographical article.
Catholic Online: St. Catherine of Sweden
Short biography.
Patron Saints Index: Catherine of Sweden
Profile, with links.
St. Catherine of Vadstena
Biography, by Clifford Stevens.
The Ecole Glossary: Catherine of Sweden
Brief biography, by Karen Rae Keck.