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.
Cottingham, Gideon W. & Cottingham, James P.Improvement in Ironing Apparatus.,
patent,
February 29, 1876;
[Washington D.C.].
(https://texashistory.unt.edu/ark:/67531/metapth166523/:
accessed March 28, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.