| Author | Titles | | 1.
| Witschey, Erica | 3 | | 2.
| Witt, Antonio Antony de, 1876-1967 | 1 | | 3.
| Witt Computer Index | 1 | | 4.
| Witt, Ernst | 1 | | 5.
| Witt, Henriette de | 1 | | 6.
| Witt, Robert, 1872-1952 | 4 | | 7.
| Witt, Sol Le, 1928-2007 | 0 | | 8.
| Author is: LeWitt, Sol, 1928-2007 | 17 | | 9.
| Witt-Dörring, Christian | 2 | | 10.
| Witte, Charles-Martial de | 2 | | 11.
| Witte de With, center for contemporary art (Roterdão, Holanda) | 0 | | 12.
| Author is: Witte de With, Centrum voor Hedendaagse kunst (Roterdão, Holanda) | 18 |
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