http://www.spanamwar.com/timeline.htm
http://fcit.usf.edu/florida/lessons/s-a_war/s-a_war1.htm
http://www.loc.gov/rr/hispanic/1898/crane.html
http://www.guampedia.com/spanish-american-war/
http://www.loc.gov/rr/hispanic/1898/chronpr.html