5- Since the 20th century – Page 8

País Vasco
Enciclopedia Espasa
Espasa-Calpe S.A.

Mapa de carreteras de las Provincias Vascongadas y Navarra
Luis Buendía
[Imp. Zubiri]

[Six former historic Basque States]
[Luis Arana]
[Artes Gráficas Grijelmo]

[Navarre during the Basque Insurrection]
[Justo Garate]
unpubl.

EE.UU. de Europa. Vasconia
[Fernando Sarrailh de Ihartza (Federico Krutwig)]
[Federico Krutwig]

País Vasco
[Isaac Lopez Mendizabal]
[Ed. Vasca Ekin]

Mapa de Navarra y Provincias Vascongadas
Esteban Lipúzcoa
Manuscript

The Basque Country
[Edgar Holloway]
[Putnam]

Mapa de Navarra
[Federico Montaner Canét]
[Geografia Institutu Nazionala]