積極的キリスト教
Barnes, Kenneth C. (1991). Nazism, Liberalism, & Christianity: Protestant social thought in Germany & Great Britain, 1925-1937. University Press of Kentucky. ISBN 0-8131-1729-1
Barnett, Victoria (1992). For the Soul of the People: Protestant Protest Against Hitler. Oxford University Press US. ISBN 0-19-512118-X
Benz, Wolfgang (2006). A Concise History of the Third Reich. University of California Press. ISBN 0-520-23489-8
Bergen, Doris L. (1996). Twisted Cross: The German Christian Movement in the Third Reich. Chapel Hill: UNC Press (Bergen)