| Magnetic confinement fusion research | 4 |
| Fusion materials and technologies | 3 |
| Mormonism, Religion, and History | 3 |
| Race, History, and American Society | 3 |
| American Environmental and Regional History | 3 |
| Urban, Neighborhood, and Segregation Studies | 2 |
| Migration, Ethnicity, and Economy | 2 |
| Historical and Cultural Archaeology Studies | 2 |
| American History and Culture | 2 |
| Crime Patterns and Interventions | 1 |
| Land Use and Ecosystem Services | 1 |
| African history and culture analysis | 1 |
| Urban Planning and Landscape Design | 1 |
| Pentecostalism and Christianity Studies | 1 |
| Astronomy and Astrophysical Research | 1 |
| Jungian Analytical Psychology | 1 |
| Wildlife-Road Interactions and Conservation | 1 |
| Particle accelerators and beam dynamics | 1 |
| Homicide, Infanticide, and Child Abuse | 1 |
| American Constitutional Law and Politics | 1 |