Catalan's Conjecture by Paulo Ribenboim (Hardcover-Ex-Libris)

New Book of Prime Number Records by Paulo Ribenboim (1996, Hardcover)

The Book Of Prime Number Records: Second Edition, By Paulo Ribenboim

Fermat's Last Theorem for Amateurs by Paulo Ribenboim (1999, Hardcover)

13 Lectures on Fermat's Last Theorem by Paulo Ribenboim (1979, Hardcover)

THE BOOK OF PRIME NUMBER RECORDS By Paulo Ribenboim - Hardcover VERY GOOD

Classical Theory of Algebraic - Hardcover, by Ribenboim Paulo - Very Good

The Theory of Classical Valuations (Springer Monographs... - Ribenboim, Paulo