Free Access
| QSO | BL Lac | Seyfert 1 | Reference |
| 202 | De Veny et al. (1971) | ||
| 2251 | 190 | Véron-Cetty & Véron (1984) | |
| 2835 | 73 | 236 | Véron-Cetty & Véron (1985) |
| 3473 | 84 | 258 | Véron-Cetty & Véron (1987) |
| 4169 | 117 | 358 | Véron-Cetty & Véron (1989) |
| 6225 | 162 | 575 | Véron-Cetty & Véron (1991) |
| 7383 | 171 | 695 | Véron-Cetty & Véron (1993) |
| 8609 | 220 | 888 | Véron-Cetty & Véron (1996) |
| 11 358 | 357 | 1111 | Véron-Cetty & Véron (1998) |
| 13 214 | 462 | 1711 | Véron-Cetty & Véron (2000) |
| 23 760 | 608 | 2765 | Véron-Cetty & Véron (2001) |
| 48 921 | 876 | 6762 | Véron-Cetty & Véron (2003) |
| 85 221 | 1122 | 9628 | Véron-Cetty & Véron (2006) |
| 133 336 | 1374 | 16 517 | Present edition |
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