| A | Family Records |
| B | Personal records |
| C | Biographical Material |
| D | Diaries and Reminiscences |
| E | Prose and Poetry |
| F | Personal Finances |
| G | Rock Cliff |
| A | General Society |
| B | Scientific Institutions and Hospitals |
| C | Educational Institutions |
| D | Funds and Foundations |
| E | Publishers |
| F | Journals |
| G | Government Bureaus |
| H | Businesses, Laboratory Suppliers |
| A | Records of the Pavlovian Society |
| B | Records of the Pavlovian Society's journal |
| A | The American Relief Administration |
| B | Pavlovian Laboratory, Johns Hopkins University |
| C | Pavlovian Laboratory, Veterans Administration |
| D | Grant Applications, Progress Reports, and Budgets |
| E | Scientific Records, Experimental Data |
| A | Bibliographies and Card Files
| B | Articles by W. Horsley Gantt | C | Articles and Reviews by Other Authors | D | Reviews and Forewords by W. Horsley Gantt | E | Reviews of Gantt's work | F | Scientific Papers by W. Horsley Gantt et al. | G | Scientific Papers Translated, Edited, Reviewed by W. Horsely Gantt | H | Scientific Papers by Collaborators | I | Abstracts | |
| A | Foreign Policy Association |
| B | National Council of American-Soviet Friendship (and its predecessors and affiliates) |
| C | Political Organizations Concerning Russia |
| D | Printed Matter Regarding Russia |
| E | Printed Matter Not Regarding Russia |