Columbia subject headings:
Spanish language--Dialects--Spain--Guecho.
Spanish language--Spoken Spanish--Spain--Guecho.
Harvard subject headings:
Spanish language--Dialects--Grammar.
Spanish language--Dialects--Spain--Guecho--Grammar.
Spanish language--Dialects--Spain--País Vasco--Grammar.
Spanish language--Spain--Guecho--Spoken Spanish.
Princeton subject headings:
Spanish language--Dialects--Grammar.
Spanish language--Dialects--Spain--Guecho--Grammar.
Spanish language--Dialects--Spain--País Vasco--Grammar.
Spanish language--Spain--Guecho--Spoken Spanish.