Allen, Calvin H., Jr
Oman / Calvin H. Allen, Jr
Westview Press, 1987
 Buku Teks
Phillips, Cabell
The Truman Presidency : the history of a triumphant succession / Cabell Phillips
Macmillan, New York : The Macmillan, c.1966.
 Buku Teks
Handbook of oriental history : members of the department of oriental history, school of oriental and African studies University of London / edited, C.H. Phillips
Offices of the Royal Historical society, 1963
 Buku Referensi
Holmes, Oliver Wendell
The common law/ oliver Wendell Holmes
Little, Brown & Co., 1963
 Buku Teks
Holmes Jr, Oliver Wendell
The common law / Oliver Wendell Holmes, Jr
Little, Brown and Company, 1923
 Buku Teks