| Clue | Source | Date |
|---|---|---|
| Manual for consistency in writing | New York Times | 20 Jan 2025 |
| It might specify a stance on the Oxford comma | Universal | 04 Jan 2025 |
| Copywriter's handbook | New York Times | 27 Aug 2024 |
| Reporter's reference | Newsday | 01 Oct 2023 |
| Manual for writers | Wall Street Journal | 08 May 2023 |
| *Reference for a reporter | Wall Street Journal | 18 Nov 2020 |
| Publisher's reference | The Washington Post | 22 Jan 2017 |
| Reporter's reference |