| Author | Titles | 1.
| Claus, Carlfriedrich, 1930-1998 | 1 | 2.
| Claus en Kaan (Firma de Arquitectura) | 1 | 3.
| Claus, Hugo | 1 | 4.
| Claus, Jürgen 1935- | 10 | 5.
| Clause, L. | 1 | 6.
| Clausen, Barbara | 2 | 7.
| Clausen, Ernst | 1 | 8.
| Clausen, George, 1852-1944 | 3 | 9.
| Clausen, Magnus Frederik, 1981- | 1 | 10.
| Clausen, Magnus Thorø | 1 |
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