Columbia subject headings:
Theater--Spain--Calahorra--History--Sources.
Theater--Spain--Calahorra--History.
Theater--Spain--Logroño--History--Sources.
Theater--Spain--Logroño--History.
Harvard subject headings:
Theater--Spain--Calahorra--History--Sources.
Theater--Spain--Calahorra--History.
Theater--Spain--Logroño--History--Sources.
Theater--Spain--Logroño--History.
Princeton subject headings:
Theater--Spain--Calahorra--History--Sources.
Theater--Spain--Calahorra--History.
Theater--Spain--Logroño--History--Sources.
Theater--Spain--Logroño--History.