You may want to read College and University Rankings Caution and Controversy from the Education and Social Science Library, University of Illinois at Urbana-Champaign before exploring the rankings and ratings.
Arts
Hunt Library-Fourth Floor
412-268-7272
artsref@andrew.cmu.edu
Engineering & Science Library
Wean Hall-Fourth floor
412-268-2427
Science and Engineering
Reference
Mellon Institute Library
Mellon Institute
412-268-7384
Science and Engineering Reference
University Archives
Hunt Library-Second Floor
412-268-5021
University Archives