» Catholic Online: St. Martin de Porres    Short biography.    http://www.catholic.org/saints/saint.php?saint_id=306

» Martin de Porres    A mestizo, and the first Black saint from the Americas. Illustrated profile, with links.    http://saints.sqpn.com/saintm02.htm

» Martin de Porres (1579-1639)    Profile of his life and character.    http://www.op.org/curia/JPC/booklets/brosistr.htm#DePorres

» Porres, Saint Martin de    Brief entry in the Columbia Encyclopedia.    http://www.bartleby.com/65/po/Porres-S.html

» Vietnamese Eucharistic Youth Society: St. Martin de Porres    The life of this saint from Peru. Suited to children.    http://www.tntt.org/vni/tlieu/saints/St1103.htm