Boyd, Anne Morris
United states government publications
H.W. Wilson, 1949
 Buku Teks
The United States of America : a government by the people
The America University, [date of publication not identified]
 Buku Teks
The United States government Internet manual.
MD : Bernan Press, 2004
 Buku Teks
Holloway, William Vernon
State and local government in the United States
McGraw-Hill , 1951
 Buku Teks
Brown, Everett S.
Manual of government publications United States and foreign
Appleton-Century-Crofts, Inc., 1950
 Buku Teks