PBCore, the Public Broadcasting Metadata Dictionary, is licensed under a Creative Commons Attribution 4.0 International license. (Full legal code available here.)

You are free to:

Share— copy and redistribute the material in any medium or format

Adapt — remix, transform, and build upon the material for any purpose, even commercially.

Under the following terms:

Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

Attribution Statement:

This work employs PBCore. PBCore, the Public Broadcasting Metadata Dictionary Project, was created by the public broadcasting community in the United States of America for use by public broadcasters and others. PBCore is built on the foundation of the Dublin Core (ISO 15836), an international standard for resource discovery. PBCore was developed with funding provided by the Corporation for Public Broadcasting and is maintained by WGBH. Copyright 2015, WGBH Educational Foundation, on behalf of the American Archive of Public Broadcasting.