peterson's guide to four-year colleges Peterson's Guide to Four-Year Colleges．1998 Peterson's Guide to Four-Year Colleges．1995 Peterson's Guide to Four-Year Colleges．1993 Peterson's Guide to Four-Year Colleges．1997 Peterson's Guide to Four-Year Colleges 1999 Peterson's Guide to Tow-Year Colleges．1998 peterson's guide to tow-year colleges Peterson's Guide to Tow-Year Colleges．1995 peterson's guide to two-year colleges