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
The budget of the United States government fiscal year 1981
The Office , 1981
Buku Teks