| 001, 002, 601 | pattern for full session |
| 101, 102, 611 | pattern for first half session
|
| 201, 202, 621 | pattern for second half session
|
| 301, 302, 631 | pattern for special sessions, meeting dates are listed
|
| 401, 402, 641 | pattern for Kellogg Biological Station sections, meeting dates and location listed
|
| 701, 702, 703 | pattern for off campus regional sections, meeting dates and locations listed
|
| 730, 731-739 | pattern for online sections
|
| 740, 741-749 | pattern for hybrid (blended) sections
|
| 750, 751, 752 | pattern for study abroad sections, meeting dates and locations listed
|
| 780, 781, 782 | pattern for graduate education overseas, meeting dates and locations listed
|