Countries of the world and their leaders.
United States.Department of State.Office of Media Services.Background notes.
Detroit : Gale Research Co.,
1975-1979.
"The U.S. Department of State's report on status of the world's nations, combined with its series of Background notes portraying contemporary political and economic conditions, governmental policies and personnel, political parties, religion, history, education, press, radio and TV, and other characteristics of each nation.  Includes Central Intelligence Agency's list of Chiefs of State and Cabinet members of foreign governments."
Geography.
Statesmen.
Countries of the world
Chiefs of State and Cabinet members of foreign governments
Countries of the world and their leaders yearbook