Undergraduate Courses (1–499)

1-99	Courses not applicable for credit toward a bachelor’s degree
100-199	Initial or introductory courses
200-299	Second-year courses in a sequence or development in a field of study.
300-499	Third- and fourth-year courses in a sequence of courses or first courses in professional curricula. May be accepted by Graduate Education to fulfill graduate degree requirements (petition may be required). Courses numbered 300 or above are upper division and count toward the 45 upper division credit requirement.

Post-Baccalaureate Courses (500–800)

500	Directed Study (master’s Plan B)
500-599	Courses applicable toward first professional degrees (architecture, law, and medicine) and in‑service training programs in education
600-699	Graduate courses
700	Thesis Research (master’s Plan A)
700-799	Advanced graduate courses
800	Dissertation Research

Special Numbers: Courses ending in -99 are directed research or directed study. Experimental courses ending in -97 or -98 and single course offerings are not listed in the Catalog.