Some maps previously bound within the factbook are also issued separately and distributed with unique Supt. of Docs. class nos.: Physical map of the world (PREX 3.10/4-2), Standard time zones of the world (PREX 3.10/4-3), and Political map of the world (PREX 3.10/4-4).
Vol. for 1981 produced by: the National Foreign Assessment Center; 1982- by: the Central Intelligence Agency.
Description based on print version record.