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by Raymond Clemens (Editor), Deborah E. Harkness (Introduction by)
The first authorized copy of this mysterious, much-speculated-upon, one-of-a-kind, centuries-old puzzle
Raymond Clemens is Curator of Early Books and Manuscripts at the Yale University Beinecke Rare Book & Manuscript Library and coauthor of Introduction to Manuscript Studies.
Deborah Harkness is a historian of science, professor at the University of Southern California, and the author of the New York Times best-selling All Souls trilogy.
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