Here are a list of the research and data sites that may help you find what you are looking for:
Google Scholar: Google search for scholars and resources
JStor: Database of scholarly resources
Social Science Research Network: An eLibrary that provides 785,533 research papers from 365,330 researchers across 30 disciplines
- PubMed Central: (Health)
- Pew Research Center: Survey and research organization. The database of analytic reports distills research on numerous topics.
The rest of this list can be found at Journalist’s Resources. It’s a terrific list.