| QJM: An International Journal of Medicine | Highwire Press |
| Qualitative Health Research | Academic Search Elite |
| Qualitative Health Research | Health Source Plus Nursing/Academic |
| Qualitative Health Research | Periodical Abstracts |
| Quality | ABI/Inform |
| Quality | Business Source Elite |
| Quality Progress | ABI/Inform |
| Quality Progress | WilsonSelect Plus |
| Quarterly Journal of Mathematics | Academic Search Elite |
| Quarterly Journal of Mathematics | Electronic Collections Online |
| Quarterly Journal of Mechanics and Applied Mathematics | Electronic Collections Online |
| Quarterly Publication of the American Statistical Association | JSTOR |
| Quarterly Review of Biology | Academic Search Elite |
| Quarterly Review of Biology | JSTOR |
| Quarterly Reviews of Biophysics | Cambridge University Press |
| Quaternary Research | IDEAL |
| Queueing Systems | Electronic Collections Online |