-

  • subst:nld|I don't know what the license is
  • [I hereby release my own work (works by you):]
    • self|GFDL|Cc-by-sa-3.0|GFDL and Creative Commons ShareAlike 3.0 and earlier
    • self|GFDL|GNU Free Documentation License (GFDL)
  • [Copied with permission from the authors (works not by you):]
    • GFDL|GNU Free Documentation License (GFDL)
    • cc-by-sa-3.0|Creative Commons ShareAlike 3.0