| Clue | Source | Date |
|---|---|---|
| Architect Oscar ____ designed Brasilia's main public buildings | The Times Specialist Sunday | 02 Nov 2025 |
| Oscar -, Brazilian architect who designed the Metropolitan Cathedral of Brasilia | Mirror Quiz | 17 Dec 2024 |
| Oscar ___, Brazilian architect who designed the Metropolitan Cathedral of Brasilia | ||
| Oscar, architect noted for designing the civic buildings in Brasilia (8) | ||
| Oscar -, Brazilian architect who designed the Metropolitan Cathedral of Brasilia | Mirror Quiz | 12 Mar 2024 |
| Brasilia architect Oscar |