Catholic Encyclopedia - St. Wolstan, eleventh-century Benedictine, Bishop of Worcester. www.newadvent.org/cathen/15687a.htm
Catholic Online - Very brief biography of St. Wulfstan. saints.catholic.org/saints/wulfstan.html
For All the Saints - Biographical portrait of St. Wulfstan of Worcester. users.erols.com/saintpat/ss/0119.htm#wulf
James Kiefer's Christian Biographies - St. Wulfstan of Worcester is best remembered for his opposition to the slave trade. elvis.rowan.edu/~kilroy/JEK/01/19.html