| Author | Titles | | 1.
| Complesso del Vittoriano (Roma, Itália) | 5 | | 2.
| Complesso Monumentale del San Giovanni (Catanzaro, Itália) | 1 | | 3.
| Complesso Museale Palazzo Ducale (Mântua, Itália) | 1 | | 4.
| Compton, Jenny | 1 | | 5.
| Compton, Michael | 11 | | 6.
| Compton, Susan | 5 | | 7.
| Comte, Achille, 1802-1866 | 0 | | 8.
| Author is: Comte, Achille-Joseph, 1802-1866 | 1 | | 9.
| Comte, Achille-Joseph, 1802-1866 | 1 | | 10.
| Comte, Auguste, 1798-1857 | 16 | | 11.
| Comte, Charles | 1 |
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