| Author | Titles | 1.
| Quirinale Palace (Roma, Itália) | 1 | 2.
| Quiring, Claudia | 1 | 3.
| Quirino | 1 | 4.
| Quirino, António M. A. | 1 | 5.
| Quirino, Fernando | 1 | 6.
| Quirmabach, Yvonne | 1 | 7.
| Quirmbach, Yvonne | 9 | 8.
| Quiroga, Ana Pérez, 1960- | 0 | 9.
| Author is: Pérez-Quiroga, Ana, 1960- | 28 | 10.
| Quiroga Losada, Manuel, 1892-1961 | 1 | 11.
| Quirós, Alfredo Bernaldo de, 19-- | 2 |
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