Credits: 1-4 Topically organized courses based on problems and issues of special interest at the advanced level. The specific themes to be examined will vary from year to year. Recent offerings include "The Historian as Detective," "Utopias and Science Fiction," and "The Fifties." Note(s): This course with a different topic may be repeated for credit. Courses at the 300 level are open to sophomores only with permission of instructor.