9780787650155 | 6th edition (Visible Ink Pr, June 1, 2000), cover price $135.00 | About this edition: Includes thousands of biographies and articles on science, medicine, technology, agriculture, business, history, and art, and includes maps, charts, and diagrams.

9780195146738 | Reprint edition (Oxford Univ Pr, November 12, 2001), cover price $30.00 | About this edition: Presents phonetic transcriptions and definitions for thousands of words that are difficult to spell, define, or pronounce.

9780195173284 | Oxford Univ Pr, May 6, 2004, cover price $19.95 | About this edition: Presents phonetic transcriptions and definitions for thousands of words that are difficult to spell, define, or pronounce.

9780756761400 | Diane Pub Co, October 1, 1998, cover price $18.00

9780805048230 | Henry Holt & Co, April 1, 1998, cover price $17.95 | About this edition: Describes more than one thousand of the most interesting, amusing, and surprising small museums in America, from the Barbie Hall of Fame to Coney Island's Sideshows by the Seashore

9780521415798 | Cambridge Univ Pr, September 1, 1995, cover price $145.00 | About this edition: Alphabetically arranged entries include every U.

9781107402577 | Reissue edition (Cambridge Univ Pr, July 21, 2011), cover price $54.99

9780020332800 | Macmillan Pub Co, September 1, 1987, cover price $11.95

9780231060509 | Columbia Univ Pr, May 1, 1985, cover price $3.98 | also contains Ugly's Electrical Safety and NFPA 70E: 2012 Edition | About this edition: More than 500 excerpts from the Federal Writer's Project travel guides, along with vintage photographs, focus on the lives and surroundings of Americans from all fifty states as they cautiously but confidently faced the Depression