| Subject | Titles | | 1.
| Wagner, Catherine | 1 | | 2.
| Wagner, Janaina, 1989- | 1 | | 3.
| Wagner, Joseph 1706-1780 | 1 | | 4.
| Wagner, Laszlo, 1911-1987 | 1 | | 5.
| Wagner, Ludwig | 3 | | 6.
| Wagner, Martin, 1885-1957 -- Crítica e interpretação | 1 | | 7.
| Wagner, Otto, 1841-1918 | 5 | | 8.
| Wagner, Otto, 1841-1918 -- Arquitectura | 1 | | 9.
| Wagner, Otto, 1841-1918 -- [Biografias] | 1 | | 10.
| Wagner, Richard, 1813-1883 | 11 |
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