You can get these materials via Interlibrary Loan

Arabic manuscripts
Arabic Manuscripts in the British Library
Arabic manuscripts in the library of the S.O.A.S., University of London
books. The Middle East from the rise of Islam.
British intelligence and policy on Persia (Iran), c. 1900-1949 : India Office political and secret files and confidential print
Confidential U.S. State Department central files. Palestine and Israel : internal affairs, 1945-1949
Confidential U.S. State Dept. central files: Palestine and Israel: internal affairs, 1950-1954.
Creation of modern Iraq: India office political and secret files, c. 1914-1921
Early Western books, 1500-1599 : the Ottoman Empire and the Mediterranean.
General correspondence before 1906, Turkey, 1780-1905
General correspondence, political. Persia.
Great Britain. PRO. C.O. 821/1-15. Palestine : miscellanea.
Iran, the making of U.S. policy, 1977-1980
Islam-fiche : readings from Islamic primary sources
Newspapers and News Resources U.S. Department of State records. Saudi Arabia
Records of the Department of State relating to internal affairs of Jordan, 1930-1944
The Middle East: 1946-1976.
The Middle East: 1950-1961 supplement.
The Middle East: Special Studies 1970-1980.
U.S. Department of State records. Egypt
U.S. Department of State records. Iran
U.S. Department of State records. Iraq
U.S. Department of State records. Lebanon
U.S. Department of State records. Syria
U.S. Department of State records. Turkey

http://www.crl.edu/collections/topics/middle-eastern-studies