Quinn, Arthur Hobson
A history of the American drama, from the beginning to the Civil War
Irvington Publishers, 1943
 Buku Teks SO
Hansen, Harry
The civil war
A Mentor Book, 1961
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Merryman, John Henry
The civil law tradition : an introduction to the legal systems of Western Europe and Latin America
Stanford University Press, 1969
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Merryman, John Henry
The civil law tradition an introduction to the legal systems of western europe and latin america
Stanford University Press, 1985
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Croatia between war and independence
University of Zagreb, 1991
 Buku Teks SO