- E-bookThe 1990 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2002 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2010 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1991 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1992 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1993 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1992 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2003 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1999 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1990 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1995 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2002 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1995 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2009 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2004 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1997 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2010 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2001 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1993 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1994 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2003 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1999 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2001 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1997 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1991 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1996 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 2004 CIA World FactbookUnited States. Central Intelligence Agency
- E-bookThe 1994 CIA World FactbookUnited States. Central Intelligence Agency