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1
by Frankel, Henry R.
Published 2012
Cambridge University Press
Subjects: “...Continental drift / Research / History / 20th century...”
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2
by Frankel, Henry R.
Published 2012
Cambridge University Press
Subjects: “...Continental drift / Research / History / 20th century...”
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3
by Frankel, Henry R.
Published 2012
Cambridge University Press
Subjects: “...Continental drift / Research / History / 20th century...”
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4
Published 2000
National Academy Press
Subjects: “...History, 20th Century...”