Books listed by ISBN
>
University of Oklahoma Press
> Prof. Ralph L Roys
Prof. Ralph L Roys
title
ISBN-13
(ISBN-10)
year of publication
Ritual of the Bacabs: A Book of Maya Incantations
978-O-8O61-1121-6
(O-8O61-1121-6)
1965
L. R.
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P R
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P Ralph
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Prof. R.
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R. L
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R.R.
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Ralph L. Roys
Prof Ralph M Negrine