Peterson's Guide to Graduate Programs in the Humanities and Social Sciences．1992 Peterson's Guide to Graduate Programs in the Humanities and Social Sciences Peterson's Guides to Graduate Programs in the Humanities, Arts, and Social Sciences．1995 Peterson's Guide to Graduate Programs in The Humanities, Arts, and Social Sciences．1996 Peterson's Guides to Graduate Programs in the Humanities, Arts, and Social Sciences Peterson's Guide to Graduate Programs in The Humanities, Arts, and Social Sciences Peterson's Guide to Graduate Programs in the Biological and Agricultural Sciences．1995 Peterson's Guide to Graduate Programs in the Biological and Agricultural Sciences．1996 Peterson's Graduate Programs in the Humanities, Arts & Social Sciences．1998．2 Peterson's Guide to Graduate Programs in Engineering and Applied Sciences．1996