Europe in the 20th century - Roberts, J. M., 1928-2003 (London : MacDonald, 1970)
vol. 1. 1900-14. 1970. 279 s. — vol. 2. 1914-1925. 1971. 362 s.
Keywords: 1900-1914; politika a vláda; dějiny civilizace; Evropa; sborníky; politics and government; history of civilization; Europe