Argus Leader Historical Archive This link opens in a new windowIncludes full text from the Daily Argus (1886-1887), The Daily Argus-Leader (1887-1890), Sioux Falls Argus-Leader (1890-1891), The Argus-Leader (1891), Daily Argus-Leader (1891-1892), Evening Argus-Leader (1892-1897), The Daily Argus-Leader (1897-1956), Sioux Falls Argus-Leader (1956-1977), Argus Leader (1977-)