Allied Forces. Army Group, 12th. Engineer Section. United States. Army. Army Group, 1st. Headquarters. cartographic Maps. lcgft https://id.loc.gov/authorities/genreForms/gf2011026387 [England?] : Twelfth Army Group, [1945] eng World War, 1939-1945--Campaigns--Maps. Europe. Available also through the Library of Congress web site as a raster image. HQ Twelfth Army Group situation map http://hdl.loc.gov/loc.gmd/g5701s.ict21299