| Author | Titles | | 1.
| Rotelli, Marco Nereo, 1955- | 1 | | 2.
| Roters, Eberhard | 7 | | 3.
| Rotger, Stella | 1 | | 4.
| Roth, Alfred, 1903- | 3 | | 5.
| Roth, Andrew | 3 | | 6.
| Roth, Björn | 2 | | 7.
| Roth, Carl Dieterich, 1930-1998 | 0 | | 8.
| Author is: Roth, Dieter, 1930-1998 | 16 | | 9.
| Roth, Cecil | 3 | | 10.
| Roth, Christiane | 1 | | 11.
| Roth, Dieter, 1930-1998 | 16 | | 12.
| Related author: Dieter Roth Foundation (Hamburgo, Alemanha) | 1 |
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