| Series Number | Series Description |
| Series 1 | Personal & Family Papers (two boxes) Letters pertaining to Hall's family, youth, education, & professional career until the return from his second trip to Germany, as well as family correspondence thereafter. Grouped by stage of Hall's life to 1880; thereafter, by topic or correspondent. |
| Series 2 | Presidential Papers (21 boxes) Correspondence relating to Clark University during Hall's presidency, arranged by subject, & chronologically within folders. Grouped into four subseries: Boxes 3-5 contain Hall's correspondence with Founders & Trustees, as well as other material relating to the early history of the University. Boxes 6-14 contain Hall's & Edmund C. Sanford's correspondence with, & other material relating to, early Clark University & Clark College faculty & staff, as well as material relating to vacancies in & applications for faculty & staff positions. Boxes 15-20 contain material largely relating to the internal administration of Clark University. Boxes 21-23 contain correspondence with organizations outside the University. |
| Series 3 | Professional & General Correspondence (four boxes) Surviving correspondence relating to Hall's professional interests. Grouped largely by individual, & arranged chronologically within one surname; a few folders grouped by subject at the end. |
| Series 4 | Miscellaneous Speeches, Notes, Articles, and Biographical Material (five boxes) Some published & unpublished addresses & notes, grouped by type of material, to a degree, by subject; also materials relating to Dorothy Ross' biography of Hall. |
| Series | Annual Reports (three boxes) |
| Series 6 | Graduate Student Correspondence (13 boxes) |
| Series 7 | Topical Syllabi (two boxes) |
| Series 8 | Circulars (one box) |
| Series 9 | Photographs (two boxes) |
| Series 10 | Miscellaneous Material (one box) |