[1] The World Factbook ( ( 版)) <https://www.cia.gov/library/publications/the-world-factbook/>
[2] twigkit/worldfactbook-dataset ( ( 版)) <https://github.com/twigkit/worldfactbook-dataset>
[3] FactbookXML - All textual information of the CIA World Factbook in one XML file ( ( 版)) <http://jmatchparser.sourceforge.net/factbook/>
[4] The World Factbook ( ( 版)) <https://www.cia.gov/library/publications/the-world-factbook/docs/contributor_copyright.html>
[5] wfb2kml - Tool to scrape the CIA World Factbook website and generate KML - Google Project Hosting ( ( 版)) <https://code.google.com/p/wfb2kml/>
[6] CIA World Fact Book in DAML ( ( 版)) <http://www.daml.org/2001/12/factbook/>
[7] Download the World Factbook — Central Intelligence Agency ( ( 版)) <https://www.cia.gov/library/publications/download/>
[8] CIA World Factbook 1982 () <http://www.geographic.org/wfb1982/>
[9] factbook/factbook.json: World Factbook Country Profiles in JSON - Free Open Public Domain Data () <https://github.com/factbook/factbook.json>
[10] The 1990 CIA World Factbook by United States. Central Intelligence Agency - Free Ebook () <http://www.gutenberg.org/ebooks/14>
[11] CIA World Factbook - Country Maps - Perry-Castañeda Map Collection - UT Library Online () <https://www.lib.utexas.edu/maps/cia_country.html>
[12] () <http://www.umsl.edu/services/govdocs/wofact94/>
[13] Full-text Search Results | HathiTrust Digital Library () <https://babel.hathitrust.org/cgi/ls?field1=ocr;q1=world%20factbook;a=srchls;lmt=ft>