Catholic Encyclopedia - St. Catherine of Genoa, mystic, author, d. 1510. www.newadvent.org/cathen/03446b.htm
For All the Saints - Biography of St. Catherine of Genoa, a remarkable woman who combined in her person the so-called active and contemplative lives. users.erols.com/saintpat/ss/0915.htm#cate
Patron Saints Index - Profile of St. Catherine of Genoa, known as the Apostle of Purgatory (for her celebrated treatise on the subject). With links. www.catholic-forum.com/saints/saintc35.htm
The Ecole Glossary - Short biography of St. Catherine of Genoa, by Karen Rae Keck. cedar.evansville.edu/~ecoleweb/glossary/catherineg.html
The Life and Doctrine of Saint Catherine of Genoa - Includes a biography, plus St. Catherine's "Spiritual Dialogue" and "Treatise on Purgatory". Available in several formats. www.ccel.org/c/catherine_g/life/life.htm