Property:License

This property is a has type::string.

Allowed Values:
 * allows value::All Rights Reserved - Standard Copyright
 * allows value::CC Attribution (by)
 * allows value::CC Attribution-Share Alike (by-sa)
 * allows value::CC Attribution-No Derivatives (by-nd)
 * allows value::CC Attribution-Non Commercial (by-nc)
 * allows value::CC Attribution-Non Commercial-Share Alike (by-nc-sa)
 * allows value::CC Attribution-Non Commercial-No Derivatives (by-nc-nd)
 * allows value::GNU Free Documentation License (GFDL)
 * allows value::Public Domain
 * allows value::Other

Please add additional licenses to the list of allowed values if they are used by 2 or more works; otherwise, list the licensed works as "other".