United States. Government Accountability Office. Financial Audit: American Battle Monuments Commission's Financial Statements for Fiscal Years 2012 and 2011, report, July 19, 2013; (https://digital.library.unt.edu/ark:/67531/metadc299244/m1/1/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .