Patxi Salaberri Zaratiegi (Author)

Gontzal Aldai (Author)

Gontzal Aldai (Author)

John P. Linstroch (Author)

Vahan Sarkisian (Author)

S. F. Pushkariova (Author)

José María Satrústegui (Author)

Luis Mitxelena Elissalt (Author)

José María González Perujo, Martín Martínez Sáenz de Jubera (Author)

Ricardo Cierbide (Author)

Jose Mari Satrustegi (Author)

Bernardo Estornés Lasa (Author)