| Historical Art and Architecture Studies | 26 |
| Magnetic confinement fusion research | 25 |
| Business, Innovation, and Economy | 21 |
| Homelessness and Social Issues | 17 |
| Latin American Urban Studies | 17 |
| LGBTQ Health, Identity, and Policy | 16 |
| Public Health and Environmental Issues | 16 |
| Fusion materials and technologies | 15 |
| Latin American history and culture | 14 |
| Marine and coastal ecosystems | 13 |
| Particle accelerators and beam dynamics | 12 |
| Marine and fisheries research | 12 |
| Educational Innovations and Technology | 12 |
| Fish Ecology and Management Studies | 11 |
| Urban, Neighborhood, and Segregation Studies | 11 |
| Historical Studies of Medieval Iberia | 11 |
| HIV/AIDS Research and Interventions | 11 |
| Food Security and Health in Diverse Populations | 11 |
| Medieval and Early Modern Iberia | 10 |
| HIV, Drug Use, Sexual Risk | 10 |