Autor
Becerro de Bengoa, Ricardo
1
Cabrera, Mercedes 1951-
1
Edschmid, Kasimir
1
Euskaltzaindia
1
Garzia, Pruden
1
Guerlin, Henri
1
Howells, William Dean
1
Klein, Johann
1
Lewenhaupt, Claes Adam Carl
1
Meier-Graefe, Julius
1
Ott, Sandra
1
Pinner, Erna
1
University of Nevada (Reno). Center for Basque Studies
1