By Moore, C. J.
By Parkinson, Judy
By Eric Partridge
By Flavell, Linda and Roger
By Collins Dictionaries
By Modern Language Association
By Collins
By Jeffrey Kacirk
By Joaqu Blasco, Veronika Schnorr
By John Ayto (Freelance lexicographer), John Simpson (Chief Editor, Oxford English Dictionary)
By John Lloyd, Jon Canter
By Julian Walker (University of the Arts London, UK)
By David Crystal (Honorary Professor of Linguistics at the University of Wales, Bangor)
By Erin McKean, Danny Shanahan
By Edward Allhusen
By Leeming, David
By Taggart, Caroline
By Marks, Georgette
By Curl, Michael
By Ash, Russell
By Smith, John
By Bowler, Peter
By Norman Lewis
By Paul Anthony Jones
By Crozier, Justin, McKeown, Cormac, Summers, Elspeth
By Murray Bromberg, Melvin Gordon
By Harrap