The Gale Group, 2008.

Almanac of Famous People, 8th Edition, Gale Group 2003.

Worldmark Encyclopedia of the Nations: Europe, Gale Group, 2001, page 102.

The Gale Group, 1991.

The Gale Group, 2007.

The Gale Group, 2002.

He had been vice president for operations at Gale Group, New York.

Eight volumes have been published by Boston-based Gale Group.

Shawnee State University, Gale Group, 2002, pages 344-349.

In the summer of 2001, Ligotti quit his job at the Gale Group and moved to south Florida.