| 53 edition (Gale Group, April 4, 2014), cover price $845.00
| 51 edition (Gale Group, March 9, 2012), cover price $809.00 | About this edition:
"A guide to more than 23,000 national and international organizations, including: trade, business, and commercial; environmental and agricultural; legal, governmental, public administration, and military; engineering, technological, and natural and social sciences; educational; cultural; social welfare; health and medical; public affairs; fraternal, nationality, and ethnic; religious; veterans', hereditary, and patriotic; hobby and avocational; athletic and sports; labor unions, associations, and federations; chambers of commerce and trade and tourism; Greek letter and related organizations; and fan clubs.
| 50 edition (Gale Group, April 8, 2011), cover price $770.00
| 49 edition (Gale Group, July 1, 2010), cover price $770.00