Both The US Copyright Office's circular on the duration of copyright and Cornell University's summary of the duration of US copyright explain why the possibly unfree in the US is necessary here.--Prosfilaes (talk) 17:02, 6 September 2010 (UTC)
Both The US Copyright Office's circular on the duration of copyright and Cornell University's summary of the duration of US copyright explain why the possibly unfree in the US is necessary here.--Prosfilaes (talk) 17:02, 6 September 2010 (UTC)Reply