Catholic Online: St. Wenceslaus - The longer of two hagiographies at catholic.org. Some confusion about dates in this one. - http://www.catholic.org/saints/saint.php?saint_id=2040
Wenceslaus of Bohemia - Short biography of the saint, by Karen Rae Keck. - http://www2.evansville.edu/ecoleweb/glossary/vaclav.html
Wenceslaus, Saint, duke of Bohemia - Brief biographical entry in the Columbia Encyclopedia, 6th ed. - http://www.bartleby.com/65/we/WenceslSt.html
Catholic Encyclopedia: St. Wenceslaus - Also called Vaclav or Vaceslav. The patron saint of Bohemia, murdered by his brother c. 929. - http://www.newadvent.org/cathen/15587b.htm