| H. S. Hutchinson (Firm), Cutting in a Whale |
| Hagerstown and Smithburg Turnpike Company. Records |
| Haighton, John. Lectures on Midwifery |
| Hale, George Ellery. Papers |
| Hale, William Gardner. Papers |
| Hall, James Parker, Jr. Papers |
| Hall, John Vine, Letter |
| Hall, Robert A., Jr. Papers |
| Hamilton, Alfred Starr. Papers |
| Hamilton, Earl J. Papers |
| Hammond, Eleanor Prescott |
| Hancock, Winfield Scott. Collection |
| Handwritten Medical Instructions |
| Hansen, Harry. Papers |
| Hansen, Mikkel. Collection of Henry Moore |
| Hansen, Miriam. Papers |
| Hanson, J. C. M. (James Christian Meinich). Papers |
| Harkins, William D. Papers |
| Harlan, Robert and Lois. Papers |
| Harper, Paul Vincent. Papers |
| Harper, Samuel Northrup. Papers |
| Harper, Samuel. Diaries |
| Harper, William Rainey. Papers |
| Harris, Chauncy D. Papers |
| Harris, Gertrude Epstein. Papers |
| Harrison, Roland Wendell. Papers |
| Harrison, Samuel, Sermon Notes on the Apostles’ Creed. Manuscript (Ms 149) |
| Hart, Schaffner and Marx Labor Agreement. Records |
| Hauser, Philip M.. Papers |
| Havighurst, Robert J.. Papers |
| Haydon, Harold. Papers |
| Hayner, Norman S.. Papers |
| Heaton, David F. Papers |
| Hebrew Tracts on Domestic and Ceremonial Matters. Manuscript (Ms 74) |
| Heckman, Wallace. Papers |
| Heirens, William Case. Newspaper Clippings |
| Hektoen, Ludvig. Papers |
| Heller, Helen Family. Papers |
| Henderson, Charles Richmond. Papers |
| Henshaw, Paul Stewart. Papers |
| Herrick, James Brian. Papers |
| Herrick, Robert. Papers |
| Hess, Julius Hays. Papers |
| Hilberry, Norman. Papers |
| Hilliard, Thomas. Papers |
| Hirsch, Edwin F. Papers |
| Historical Manuscripts. Collection |
| Histories of Pediatric Hospitals. Collection |
| Hitchcock Family. Papers |
| Hitchcock, Annie McClure. Papers |
| Hodgson, Marshall G. S. Papers |
| Hoebeke, Cornelius. J. Papers |
| Hoff, Ramon B. Papers |
| Hogness, Thorfin R. Papers. |
| Holbrook, Silas P., Medical Daybooks |
| Holmes, Bayard Taylor. Dementia Praecox |
| Holmes, Bayard Taylor. Dementia Praecox and Other Studies |
| Holmes, Bayard Taylor. Outline of the Conditions of a Laboratory Building or Buildings for the Laboratories of Cook County, Especially Those of Cook County Hospital |
| Holmes, Bayard Taylor. Papers |
| Holmes, Bayard Taylor. Papers |
| Holmes, Bayard Taylor. Report |
| Holmes, Bayard Taylor. The Castor Oil Bean Poison |
| Holmes, Bayard Taylor. The Punishment of Carl Carleson |
| Holmes, Bayard Taylor. Third Annual Report of Dementia Praecox Studies |
| Homilies and Religious Treatises. Manuscript (Ms 155) |
| Hooker, George Ellsworth.City Planning, Transportation and Housing. Collection |
| Hooper, Frances. Papers |
| Horace Opera. Manuscript (Ms 27) |
| Horn, Anton Ludwig Ernst. Horn's Specielle Therapeutik |
| Horton, Horace Everett, Notes on the Manufacturing of Glucose, Grape Sugars and Starches |
| Horwitz, Alexander Philip. Papers |
| Hoselitz, Bert F., Papers |
| Hospicio de Pobres. Records |
| Hostetter, Charles Linnaeus. Papers |
| Howard, Luke. Collection |
| Howell, Standley. Collection |
| Huffaker, Edward C. Experiments with Gliding Models Conducted by E.C. Huffaker for Mr. O. Chanute, C.E |
| Huffaker, Edward C. The Kite : Its Mechanism and Equilibrium |
| Huffaker, Edward C., Soaring Flight |
| Hughes, Everett Cherrington. Papers |
| Hughes, George Warner, Jr. Collection |
| Hulbert Family. Papers |
| Hulbert, James R. Papers |
| Humboldt, Alexander von. Letter |
| Hunt, Henry. Papers. MS 563 |
| Hunt, Leigh, and Craik Family. Collection |
| Huppert, Max Oscar. Papers on the Cause and Treatment of Epilepsy |
| Hutchins, Maude Phelps McVeigh. Collection |
| Hutchins, Robert M., and Associates. Oral History Interviews |
| Hutchins, Robert Maynard. Papers |
| Hutchinson, Charles L. Postcards |
| Hutchinson, William Thomas. Papers |
| Hutchison, Clyde A., Jr. Papers |
| Hutton, William Ralph, Papers |
| Hyde Park Center. Collection |
| Hyde Park Garden Fair Commitee. Records |
| Hyde Park High School. Records |
| Hyde Park Historical Society. Collection |
| Hyde Park Historical Society. Hyde Park Co-op. Records |
| Hyde Park Historical Society. Joyce Turner Hilkevitch. Papers |
| Hyde Park Youth Symphony. Records |
| Hyde Park and Kenwood Interfaith Council. Records |
| Hyde Park, Kenwood, and Woodlawn Neighborhoods. Collection |
| Hyde Park-Kenwood Community Conference. Records |
| Hyde Park-Kenwood Razed Buildings. Collection |