By Unidentified Author
By Jeremy Butterfield, Mike Gonzalez, Gerry Breslin, Teresa Alvarez Garcia, Brian Steel, Ana Cristina Llompart, Jose Miguel Galvan Deniz, Val McNulty, Sharon Hunter, Tracey Lomas, Rob Scriven
By Various
By None, Duncan Black, Robert Groves, Helen Hucker, Cormac McKeown
By N/A
By Contributors
By Not Known
By Collins
By Not Knowns
By NO AUTHOR
By Collins Dictionaries
By piero-rebora
By Neufeldt, Victoria, Sparks, Andrew N.
By Editors, Webster's New World Editors, Guralnik, David Bernard, Neufeldt, Victoria
By Gregory, Kenneth
By Hartston, William R., Dawson, Jill
By Carroll, Bob, etc.