| PS 660-668.2 |
Oratory |
| - PS 661 |
- 1801- |
| - PS 662 |
- General works |
| - PS 663.A-Z |
- Special, A-Z |
| - - PS 663.B53 |
- - Black. African American |
| - - PS 663.C74 |
- - Commencement |
| - - PS 663.M55 |
- - Minority authors |
| - - PS 663.W65 |
- - Women authors |
| - PS 666-668.2 |
- By period |
| - - PS 668 |
- - 20th century |
| PS 670-678.2 |
Letters |
| PS 680-689 |
Essays |
| - PS 682 |
- General works |
| - PS 683.A-Z |
- Special classes of authors, A-Z |
| - - PS 683.A35 |
- - African American authors. Black authors |
| - - PS 683.C6 |
- - College students |
| - - PS 683.I83 |
- - Italian American authors |
| - - PS 683.M49 |
- - Mexican American authors |
| - - PS 683.W65 |
- - Women |
| - PS 684.A-Z |
- Special. By topics, A-Z |
| - - PS 684.B76 |
- - Brothers & sisters |
| - - PS 684.O3 |
- - Ohio |
| - PS 686-689 |
- By period |
| - - PS 688 |
- - 20th century |