- Your own work (best practices):
- cc-by-sa-4.0 (self)|Your own work / Attribution required / ShareAlike (CC BY-SA 4.0)
- pd-self|Your own work / For release into the public domain / No copyright (PD-self)
- Public domain
- cc-zero|Work is in the public domain / No copyright (CC-Zero)
- pd-old|Work is in the public domain in United Kingdom / Term of copyright has expired (70+ years)