| S.No. | Description | Coverage | Scope | Medium | Frequency |
|---|---|---|---|---|---|
| 1. | EPIDOS/INPADOC | 1968+ | Countries | NIC's WEB | Weekly |
| 2. | CASSIS-BIB | 1969+ | USA | CD-ROM | Bi-monthly |
| 3. | CASSIS-ASSIGN | 1980+ | USA | CD-ROM | Quarterly |
| 4. | CASSIS-CLASS | 1990+ | USA | CD-ROM | Bi-monthly |
| 5. | CASSIS-ASIST | USA | CD-ROM | Quarterly |