peterson's guide to graduate programs in the physical sciences and mathematics Peterson's Guide to Graduate Programs in the Physical Sciences and Mathematics．1996 Peterson's Guide to Graduate Programs in the Physical Sciences and Mathematics．1995 Peterson's Guide to Graduate Programs in the Physical Sciences and Mathematics peterson's guide to graduate programs in the humanities and social sciences Peterson's Guide to Graduate Programs in the Humanities and Social Sciences．1992 Peterson's Guide to Graduate Programs in the Biological and Agricultural Sciences．1996 peterson's guide to graduate programs in the biological and agricultural sciences peterson's guide to graduate programs in the humanities, arts, and social sciences Peterson's Guide to Graduate Programs in The Humanities, Arts, and Social Sciences．1996