CC0 1.0 Universal

Every included audio file belongs to one of 46 Archive.org items whose item metadata declares licenseurl https://creativecommons.org/publicdomain/zero/1.0/. The collection contains 793 audio files. The download includes an item and file manifest; two additional uploader items without CC0 metadata were excluded.

CC0: https://creativecommons.org/publicdomain/zero/1.0/
Uploader profile: https://archive.org/details/@jamespetts
Search records: https://archive.org/advancedsearch.php?q=uploader%3Ajamespetts