Types
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- General and Multi-disciplinary Resources8
- Articles7
- Full-Text Resources5
- Digital Collections and Repositories2
- Multimedia2
- Tutorials2
- Archives and Primary Sources1
- Bibliography and Citation Tools1
- Books, Ebooks, and Book Reviews1
- Dissertations and Theses1
- Historical Images1
- Indexes and Tables of Content1
- Quick Facts and Reference1
- Search Engines and Web Sites1
- Statistics and Datasets1