- The Center for Cold War Studies and International History
- The Center for the Study of Work Labor and Democracy
- Chicano/Latino Research Group
- Critical Interventions: A Journal of African Art History and Visual Culture
- Isla Vista Arts Initiative
- Medieval Studies
- Past Sub-units
IHC provides support to a range of units who receive funding from outside the IHC, and whose mission supports the IHC’s commitment to interdisciplinary.