Asch, A., & Philippson, J. (1958). Self-defence in the second half of the 19th century: The emergence of the K.C. Year Book / Leo Baeck Institute.

Asch, Adolph, and Johanna Philippson. "Self-defence in the Second Half of the 19th Century: The Emergence of the K.C." Year Book / Leo Baeck Institute 1958.

Asch, Adolph, and Johanna Philippson. "Self-defence in the Second Half of the 19th Century: The Emergence of the K.C." Year Book / Leo Baeck Institute, 1958.