| AAPG Datapages | |
| ACM Digital Library (1958-) | |
| America, History and Life (1964-) | |
| ASCE Library | |
| Business Source Complete (1886-) | |
| CINAHL Plus with Full Text (1937-) | |
| ClasePeriodica (CLASE 1975-, Periodica 1978-) | |
| Compendex (1884-) | |
| Conference Proceedings Citation Index - Science (1990-) | |
| Conference Proceedings Citation Index - Social Science & Humanities (1990-) | |
| EMBASE (1980-) | |
| Energy Citations Database (1948-) | |
| Engineering Village | |
| GeoRef (1785-) | |
| Historical Abstracts (1955-) | |
| IEEE Xplore (1988-) | |
| Information Science & Technology Abstracts (1965-) | |
| Inspec (1969-) | |
| International Pharmaceutical Abstracts (1970-) | |
| Library Literature & Information Science Full Text (1984-) | |
| Library, Information Science & Technology Abstracts (1960-) | |
| OnePetro | |
| PapersFirst (1993-) | |
| Petroleum Abstracts TULSA Database (1965-) | |
| ProceedingsFirst (1993-) | |
| RILM Abstracts of Music Literature | |
| SocINDEX with Full Text (1895-) | |
