Dhimmies and Dhimmitude - Islam and the People of the Book:
The Pact of Umar
The books by Bat Ye'or are very thourough and scholarly, and controversial.
Web articles by Bat Ye'or: 
Johan Bouman, Der Koran und die Juden: Die Geschichte einer Tragödie, Wissenschaftliche Buchgesellschaft, Darmstadt, 1990, ISBN 3-534-80123-7 (in German)
The Christian Church certainly has not treated the Jewish people according to the commands of its own scriptures and there is much to condemn and to repent of.
Recommendation: Our Hands Ar Stained With Blood: The Tragic Story of the "Church" and the Jewish People by Michael L. Brown, Destiny Image, 1992, 242 pages, ISBN 1-56043-068-0, $9.95. This is a book written to call for repentance of the Church over the horrendous acts of persecution and hatred committed against the Jews over the many centuries. A very much needed story. The author is uniquely qualified being a Jewish Christian and living so to speak on both sides of the drama. It also has a chapter on the Crusades, but the scope of the book is much wider. This is only a small part. It also has a little on the relationship of Muslims and Jews but not very much since that is not the focus.
A History of Anti-Semitism is a call for repentance from and to the church.
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