United States. Government Accountability Office. Preliminary Observations on the Potential Effects of the Proposed Performance Rights Act on the Recording and Broadcast Radio Industries, text, February 26, 2010; (https://digital.library.unt.edu/ark:/67531/metadc302773/m1/1/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .