1Guido Kisch, "The Jewry - Law of the Medieval German Law - Books.Part I ", Proceedings of the American Academy for Jewish Research, Vol. 7( 1935 - 1936) ,pp. 61 - 145.
2James Parkes, The Jew in the Medieval Community. A Study of His Political and Economic Situation, New York. Sepher- Hermon Press, 1976 ,p. 103.
3Guido Kisch, "The Jewry - Law of the Medieval German Law - Books. Part I " ,pp. 61 - 145.
4James Parkes, The Jew in the Medieval Community. A Study of His Political and Economic Situation, p. 3.
5Amnon Linder ed. , The Jews in the Legal Sources of the Early Middle Ages, Detroit . Wayne State University Press, 1997, p. 200.
6Amnon Linder ed. , The Jews in the Legal Sources of the Early Middle Ages, pp. 219 -220.
7Amnon Linder ed. , The Jews in the Legal Sources of the Early Middle Ages, p. 222.
8Amnon Linder ed. , The Jews in the Legal Sources of the Early Middle Ages, p. 224.
9Amnon Linder ed. , The Jews in the Legal Sources of the Early Middle Ages, p. 263, p. 264.
10Amnon Linder ed. , The Jews in the Legal Sources of the Early middle Ages, p. 344, p. 469.
