Invite to Lewis Research Center, Ohio
Letter to Hoagland From A Geologist
Letter To A Lawyer From Hoagland
Message From Hoagland about Cydonia
Hoagland's Letter to Robert Roe
Letter to Robert Roe From a Geologist
Letter to Bill Nelson From Geologist
Brief History of the Mars Mission
National Press Club Presentation 1989
Facts To Support E.T.I. Hypothesis
Letter From Archeologist At Tampa U.
Jim Warrick (Voyager Analysist)