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Gerard Helferich
Gerard Helferich is the author of "Humboldt's Cosmos", "High Cotton", "Theodore Roosevelt and the Assassin" and "An Unlikely Trust".
Books by Gerard Helferich
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High Cotton
Helferich, Gerard
Paperback:
$25.00
Humboldt's Cosmos
Helferich, Gerard
CD-Audio:
$9.99
Humboldt's Cosmos
Helferich, Gerard
Paperback:
$15.00
Theodore Roosevel...
Helferich, Gerard
Hardback:
$28.95