Larousse
Oscar Conde
Kinder H. Y Hilgemann W.
James Flath, Ana Orenga, Carlos Rubio, Hiroto Ueda
Yoko Nakazawa
Christine Harrauer, Herbert Hunger
Real Academia Espanola
Nicola Abbagnano
Jacques Le Goff, Jean Claude Schmitt
Real Academia Española
Academia Argentina De Letras
Junichi Matsuura, Lourdes Porta Fuentes
Cirlot Juan Eduardo
Rae
Umberto Eco
Aa.Vv.
Diz Gamba
Oxford
Academia
Herder .
Junichi Matsuura
Sopena