By Rhodes, Chloe
By Smith, Daniel
By Taggart, Caroline
By Marsh, David
By Stephenson, Hugh
By Benenson, Fred
By Lingo Mastery
By Chomsky, Noam
By Bocchiola, Max, Ilardi, Francesca
By Unknown
By Mezzadri, Marco
By James, P D, collectif
By Susanna Nocchi
By Silvia Bertoni, Susanna Nocchi
By Wolters, GRONINGEN
By Jacobson, Pauline, Pullum, Geoffrey
By Cresswell, M. J.
By Stuurman, Frits J.
By Hey, C.G.
By Berlitz
By Dornan (Late), Edward A., Dawe, Charles W.
By Maiocchi, A.F., Bicchiacchi, A.De
By Pesavento P
By Bowles, Vittoria