- Academy of Natural Sciences: Bone Wars - The Cope-Marsh Rivalry - How the competition between Marsh and Cope had an dramatic but mixed impact on American paleontology.
- Haddonfield and the 'Bone Wars' - Information about how the war of dinosaur discovery between Edward Drinker Cope and Othniel Charles Marsh began in Haddonfield, N.J. in 1868.
- The Niagara Falls Museum: The Profile of Edward Drinker Cope - Article by author Mark Jaffe tells us about Cope's Law, his discoveries, his works, and his feud with Marsh.
- The UnMuseum: Whatever Happened to the Brontosaurus? - Explains that the brontosaurus is actually an apatosaurus with the head of a camarasaurus. It recounts how this happened.
- Wikipedia: Bone Wars - Tells how Edward Drinker Cope and Othniel Charles Marsh came to compete in the discovery of dinosaur bones, and the havoc they caused.
- Wyoming: The Bone Wars - An illustrated history of the Bone Wars. It includes photos taken from 1904 - 1934 and includes reproductions of engravings from 1871.
