William Penn, America's First Great Champion for Liberty and Peace   by Jim Powell
http://Quaker.org/wmpenn.html

Penn and the Indians
http://Xroads.virginia.edu/~CAP/PENN/pnind.html

Delaware History
http://www.tolatsga.org/dela.html

Delaware Tribe of Indians
http://www.delawaretribeofindians.nsn.us/