| Author | Titles | | 1.
| Joanne, Paul, 1847-1922 | 2 | | 2.
| Joannides, Paul | 12 | | 3.
| Joannis, Claudette | 1 | | 4.
| João | 1 | | 5.
| João Abel, 1928- | 0 | | 6.
| Author is: Manta, João Abel, 1928- | 72 | | 7.
| João Abel Manta, 1928- | 0 | | 8.
| Author is: Manta, João Abel, 1928- | 72 | | 9.
| João Aires, 1921-2001 | 0 | | 10.
| Author is: Ayres, João, 1921-2001 | 8 | | 11.
| João António Bellini de Pádua, fl.1725-1748 | 0 | | 12.
| Author is: Bellini, João António, fl. 1725-1748 | 1 | | 13.
| João António Bellini de Pádua, fl.1725-1748 | 0 | | 14.
| Author is: Bellini, João António, fl.1725-1748 | 1 | | 15.
| João Artur, 1928- | 0 | | 16.
| Author is: Artur, João, 1928- | 4 |
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