La lengua vasca gramatica, conversacion, diccionario vasco-castellano, castellano-vasco - López-Mendizabal, Isaac 1879-1977 (Ed. Auñamendi, 1977)
Keywords: Grammatik; Spanisch; Basque language -- Dictionaries -- Spanish; Basque language -- Grammar; Spanish language -- Dictionaries -- Basque; Baskisch; Wörterbuch