Saint Walburga (Subscribe)
Links
Catholic Online: St. Walburga
http://www.catholic.org/saints/saint.php?saint_id=209
Paragraph-length biography.
Catholic Encyclopedia: St. Walburga
http://www.newadvent.org/cathen/15526b.htm
Fairly lengthy biographical article on this abbess of a double monastery, and author, who died in 777. Also known as St. Walpurgis or Waltpurde.