American political leaders 1789-2000
Kongressional Quarterly, 2000
 Buku Teks
Community leaders of the world / Published The American Bibliographical Institute
The American Bibliographical Institute, 1986
 Buku Referensi
Edward, David V.
The American Political Experience
Prentice-Hall, 1982
 Buku Teks
The American Political Science Review
The University od Chicago Press, 1980
 Majalah, Jurnal, Buletin
Plano, Jack C., author
The American political dictionary
Holt, Rinehart and Winston, 1985
 Buku Referensi
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