At the top of the sources list, include a licensing snippet like:
Crediting Who's On First is recommended and linking back to the License is required. For example:
> Data from Who's On First. [License](https://whosonfirst.org/docs/sources/list/).
The Who's On First dataset is both original work and a modification of existing open data. Some of those open data projects do require attribution. We have listed all sources in the full [license file](https://whosonfirst.org/docs/sources/list/).
Per https://github.com/whosonfirst-data/whosonfirst-data/issues/1795
At the top of the sources list, include a licensing snippet like: