Latourette, Kenneth Scott, author
Macmillan, 1951
Buku Teks
Meyer, Milton W.
Barnes & Noble, 1972
Buku Teks
Vinacke, Harold M., author
Appleton-Century-Crofts, 1950
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Hitti, Philip K. (Philip Khuri), 1886-1978, author
D. Van Nostrand, 1966
Buku Teks
Clyde, Paul H. (Paul Hibbert), author
Prentice-Hall, 1948
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Clyde, Paul H. (Paul Hibbert), author
Prentice-Hall, 1960
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