- Unknown_copyright|I don't know exactly
- Free licenses:
- MW-screenshot|MediaWiki screenshot
- PD|PD: public domain
- CC-by-sa-2.5|Creative Commons Attribution ShareAlike 2.5
- CC BY-NC 4.0|Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
- CC0 1.0 Universal|CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
- Simple Attribution|Simple Attribution
- GFDL|GFDL: GNU Free Documentation License
- GPL|GPL: GNU General Public License
- LGPL|LGPL: GNU Lesser General Public License
- Non-free license (exception):
- CopyrightByWikimedia|Wikimedia images