William Addison (chess player)
[ar] ويليام أديسون
[arz] ويليام اديسون
[ca] William Addison
[de] William Addison (Schachspieler)
[es] William Addison
[fi] William Grady Addison
[fr] William Addison
[lv] Viljams Adisons
[ru] Аддисон, Уильям