Guide to the National Archives of the United States. - United States. National Archives and Records Service; United States. National Archives and Records Service (Washington; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1974)
Issued in 1948 by the body under its earlier name: National Archives, under title: Guide to the records in the National Archives.
Keywords: United States. -- National Archives and Records Service; United States -- History -- Sources -- Bibliography