The World Almanac and Book of Facts 2016
The World Almanac and Book of Facts 2005 (World Almanac and Book of Facts)
The World Almanac and Book of Facts 2011 (World Almanac & Book of Facts)
The World Almanac and Book of Facts, 2007 (World Almanac and Book of Facts)
The World Almanac and Book of Facts 2004 (World Almanac & Book of Facts)
The World Almanac and Book of Facts 2013 (World Almanac & Book of Facts)
The World Almanac and Book of Facts 2012 (World Almanac & Book of Facts)
The World Almanac and Book of Facts 2002
World Almanac and Book of Facts 2014 (World Almanac & Book of Facts)