Serving as both a federal and a state depository library, the UNT Libraries Government Documents Department maintains millions of items in a variety of formats. The department is a member of the FDLP Content Partnerships Program and an Affiliated Archive of the National Archives.
Crenshaw, William T.Improvements in Revolving Cotton Lint Rooms.,
patent,
May 13, 1873;
Washington D.C..
(https://texashistory.unt.edu/ark:/67531/metapth166857/:
accessed June 5, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.