Redles, David (August 2010). "The Nazi Old Guard: Identity Formation During Apocalyptic Times". Nova Religio: The Journal of Alternative and Emergent Religions. 14: 24–44. doi:10.1525/nr.2010.14.1.24.
Piper, Ernst (January 2007). "Steigmann-Gall, The Holy Reich". Journal of Contemporary History. 42. Sage Publications, Ltd.: 47–57. doi:10.1177/0022009407071631. S2CID159472257.
Hastings, Derek (2003). "How Catholic Was the Early Nazi Movement? Religion, Race, and Culture in Munich, 1919-1924". Central European History. 36 (3). Cambridge University Press: 383–433. doi:10.1163/156916103771006070. S2CID145187701.
Piper, Ernst (January 2007). "Steigmann-Gall, The Holy Reich". Journal of Contemporary History. 42. Sage Publications, Ltd.: 47–57. doi:10.1177/0022009407071631. S2CID159472257.
Hastings, Derek (2003). "How Catholic Was the Early Nazi Movement? Religion, Race, and Culture in Munich, 1919-1924". Central European History. 36 (3). Cambridge University Press: 383–433. doi:10.1163/156916103771006070. S2CID145187701.