The Amazon - Mightiest of Rivers - October 1972
On the Trail of Wisconsin’s Ice Age - August 1977
Search for the First Americans - September 1979
Unearthing the Oldest Known Maya - July 1982
Rio Azul - Lost City of the Maya - April 1986
Looters Rob Our Past - April 1986
In Defense of Collectors - April 1986
Panama - April 1986
Search for the True Columbus Landfall - November 1986
Brazil - Moment of Promise and Pain - March 1987
Mysteries of the Bog - March 1987
(contains photographs of human remains and burial objects)
Into The Tomb of a Moch Lord - October 1988
(contains photographs of human remains and burial objects)
Urueu-Wau-Wau Indians: Last Days of Eden - December 1988
Indian Burial Grounds: Who Owns Our Past - March 1989
(contains photographs of human remains and burial objects)
America’s Ancient Skywatchers - March 1990
Search for Columbus - January 1992
Maya Heartland Under Siege - November 1992
(contains photographs of human remains and burial objects)