Catherine of Vadstena
- Short biography.
- http://www.saintpatrickdc.org/ss/0324.htm#cath

Catholic Online: St. Catherine of Sweden
- Short biography.
- http://www.catholic.org/saints/saint.php?saint_id=590

The Ecole Glossary: Catherine of Sweden
- Brief biography, by Karen Rae Keck.
- http://www2.evansville.edu/ecoleweb/glossary/cathsweden.html

St. Catherine of Vadstena
- Biography, by Clifford Stevens.
- http://www.ewtn.com/library/MARY/VADSTENA.htm

Patron Saints Index: Catherine of Sweden
- Profile, with links.
- http://www.catholic-forum.com/saints/saintc34.htm

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.
- http://www.newadvent.org/cathen/03448a.htm