• Particular title: EGUEN ZURI (VARIANTE 3)
• Songbook: CANCIONERO POPULAR VASCO
• Standardized text OSTEGUN ZURI
• Literary incipit: EGUEN ZURI EGUEN BALTZ,
• Publication year: 1922
• Description: DE RONDA
• Publisher: BOILEAU
• Publication location: BARCELONA
• Other editions: BILBAO: LA GRAN ENCICLOPEDIA VASCA. -BILBAO: EUSKALTZAINDIA, 1993
• Volumen:
2

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