| Author | Titles | 1.
| Jantzen, Eilhart | 1 | 2.
| Jantzen, Hans | 2 | 3.
| Jantzen, Hermann | 1 | 4.
| Jantzen, Michael, 19--?- | 3 | 5.
| Jantzen, Ulrik, 1976 | 1 | 6.
| Januário, Miguel, 1981- | 1 | 7.
| Related author: ±Maismenos± (projecto artístico) | 1 | 8.
| Januário, Pedro Miguel Gomes, 1970- | 1 | 9.
| JANUS | 1 | 10.
| Janus, Elizabeth | 2 | 11.
| Janus, pseud. | 2 |
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