| Author | Titles | 1.
| Nielsen Gallery (Boston, Estados Unidos) | 1 | 2.
| Nielsen, Gregers | 1 | 3.
| Nielsen, H. G. | 1 | 4.
| Nielsen, H.G. | 1 | 5.
| Nielsen, Kehnet, 1947- | 1 | 6.
| Nielsen, Mizette | 1 | 7.
| Nielsen, Poul Erik Munk | 1 | 8.
| Nielsen, Rasmus, 1970- | 1 | 9.
| Nielsen, Sabine Dahal | 1 | 10.
| Nielsen, Tage | 1 |
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