Dr. Richard Albrecht, PhD., “Dreipfeil gegen Hakenkreuz” - Symbolkrieg in Deutschland 1932 (“Three Arrows Against the Swastika” - symbol war in Germany 1932". Historical Case-Study in Anti-Nazi-Propaganda Within Germany and Western Europe, 1931-35), pub. January 2005
"Die Eiserne Front"Archived 2011년 10월 7일 - 웨이백 머신 Bundesverband Reichbanner Schwarz-Rot-Gold, Bund Aktiver Demokraten e. V. Retrieved August 6, 2011 (독일어)
"Die Eiserne Front"Archived 2011년 10월 7일 - 웨이백 머신 Bundesverband Reichbanner Schwarz-Rot-Gold, Bund Aktiver Demokraten e. V. Retrieved August 6, 2011 (독일어)