| Clue | Source | Date |
|---|---|---|
| Largest US union | Newsday | 01 Sep 2024 |
| Largest US union | Newsday | 04 Feb 2022 |
| PBS supporter, briefly | Eugene Sheffer | 01 Aug 2020 |
| Biggest U.S. union, familiarly | New York Times | 10 May 2020 |
| Largest US union | Newsday | 13 Apr 2016 |
| Museum supporter, familiarly | ||
| Largest Amer. union |