Wikipedia:Use of non-free content survey/7

Other restrictive licenses
At present, fair use is the only means of including non-free content on Wikipedia; however, other types of restrictive licenses (e.g. noncommercial use only, or nonderivative use only) could also provide a mechanism of allowing Wikipedia to provide a breadth of encyclopedic coverage when no truly free alternative was available. Depending on context, such specific licenses may be easier for a potential reuser to evaluate than fair use. However, allowing other types of non-free content on Wikipedia would also decrease the incentive to create and contribute truly free content.

I believe that the scope of acceptable non-free content should: