- An expanded version of Headland's "Commentary" published by the American Anthropological Association in the "Commentary" section of Anthropology News Volume 42, Number 1, January 2001.
- Headland's report to the AAA president
- Keith Wardlaw's eyewitness account of the measles epidemic
- Dr. Charles Patton's letters of 1967-68 about the measles epidemic
- Headland's letter to USA Today newspaper (on 9/27/00)
There are two websites that readers may go to which provide dozens of valuable and important links to other Internet sites that discuss the controversy over Darkness in El Dorado. These are: