Barbour, Len books & textbook
AP U.S. History For America Past and Present Eighth Advanced Placement Edition (Pearson Education Ap Test Prep Series)
Barbour, Michael K. Jones, Anthony Rabinowitz, Len Utz, Gordon
Pearson /2007T Paperback / 305 Pages
isbn-10: 0131347233 / isbn-13: 9780131347236
Comprehensive Supramolecular Chemistry II
Atwood, Jerry L. Gokel, George W. Barbour, Len
Elsevier /2017-08-14 Hardcover / 4568 Pages
isbn-10: 0128031980 / isbn-13: 9780128031988