| Author | Titles | | 1.
| Westermann, H.C., 1922-1981 | 1 | | 2.
| Westermann, Horace Clifford, 1922-1981 | -1 | | 3.
| Author is: Westermann, H.C., 1922-1981 | 1 | | 4.
| Westermann, Iris Müller | 1 | | 5.
| Westermann, Mariët, 19--?- | 5 | | 6.
| Westermark, Ulla, 1927- | 2 | | 7.
| Western Australian Art Gallery (Perth, Austrália) | 0 | | 8.
| Author is: Art Gallery of Western Australia (Perth, Austrália) | 1 | | 9.
| Western Front (Vancouver, Canadá) | 1 | | 10.
| Westfälischer Kunstverein (Munique, Alemanha) | 1 | | 11.
| Westfälischer Kunstverein (Münster, Alemanha) | 1 | | 12.
| Westfälisches Landesmuseum für Kunst und Kulturgeschichte ( (Münster, Alemanha) | 3 |
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