The Mound Builders
Robert Silverberg
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The Newark Earthworks:...
Mr. Lindsay Jones (Editor),
Richard D Shiels (Editor)
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The Moundbuilders: Ancient...
George R Milner
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Hopewell Ceremonial...
Mark Lynott
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Native Americans Before 1492:...
Lynda N Shaffer,
Professor Thomas Reilly
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The Real Mound Builders of...
A. Martin Byers
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Early New World Monumentality
Richard L Burger (Editor),
Robert M Rosenswig (Editor)
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Transit: Serpent Mound...
Chadwick Allen
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