By Trapp, Erich
By Weil, Andre, Weil, Fellmann
By Halpern, Jack
By The Association for Japanese Language Teaching
By Association for Japanese-Language Teaching (Ajalt)
By Mizutani, Osamu, Mizutani, Nobuko
By AOTS
By Pirogova, L. I.
By Liu, Tsun
By Fronek, Josef
By Kolafova, Vera, Pekarcvc, Karel
By Chawla, R., Kumar, M.
By Nigel Hankin
By Geoplaneta
By Puig
By Borobio
By Leroux, Gaston
By Ziglio, Luciana
By Robinson, Peter
By Carli, Augusto, Ammon, Ulrich
By Keenan, Edward L.
By Fishman, Joshua A., Cobarrubias, Juan
By Marin, Telis, Magnelli, Sandro
By Periplus Editors
By Jiaying Howard, Tsengtseng Chang
By Ismail, I.
By Iman A. Soliman, Saeed Alwakeel
By Fang, Liaw Yock, Tiley-Notodisuryo, Nini
By King, Edward S.