| Author | Titles | | 1.
| Joly-Segalen, A. | 1 | | 2.
| Jolz, Hans Heinz | 1 | | 3.
| Jomafe, pseud. | 0 | | 4.
| Author is: Félix, José, 1907-1962 | 2 | | 5.
| Jomaia | 1 | | 6.
| Jomar | 0 | | 7.
| Author is: Marques, Orlando, 1921-1991 | 1 | | 8.
| Jonals Co. (Firma) | 1 | | 9.
| Jonas & Baleia Design e Publicidade (Firma de Design) | 1 | | 10.
| Jonas, Daniel | 1 | | 11.
| Jonas, Édouard | 2 | | 12.
| Jonas, Fritz | 1 |
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