By Philip Nelkon, Gyles Brandreth (Founder, National Scrabble Championships)
By Whipple, Tom
By No Author.
By Headley, Gwyn, See, Yvonne
By Ross, Westerfield, Jordan
By Shepherd, Mark
By Collins Dictionaries
By Navarro, Àngels
By Nielsen, Susin
By BradyGames
By Copeland, WILLIAM
By Zzzzz
By Cooke, Barclay, Bradshaw, Jon
By Molyneux, J.Du C.Vere
By Fatsis, Stefan
By Reid, Jim
By Combeau, V
By collectif
By Unknown
By Paul Magriel, Renee Magriel
By Holland, Tim
By Fluegelman, Andrew
By Schwarz, Catherine
By Loader, Jeff, Jennie
By Taylor, Phil
By Day, Trevor, Diagram Group
By Asmodee Group, Jason Ward, Z-Man Games
By Viviane Schwarz, Kevan Davis