Richard C. Hoagland
Books
Pluto: New Horizons for a Lost Horizon: Astronomy, Astrology, and Mythology
2015
ISBN 9781583948972
Dark Mission
2009
ISBN 9781932595260- No cover
Analog Science Fiction/Science Fact, Vol. 94.0
1974
ISBN 9780202874128 
The Monuments of Mars
1987
ISBN 9781583940549
The Cydonia Codex: Reflections from Mars
2003
ISBN 9781583941218
Heritage of Mars: Awakening Forever
2004
ISBN 9781883319663
Dark Mission: The Secret History of NASA, Enlarged and Revised Edition
2007
ISBN 9781282745117- No cover
Analog Science Fiction/Science Fact, Volume 106, Issue 11, November 1986
1986