Columbia subject headings:
Harvard subject headings:
Castile (Spain)--Constitutional history.
Constitutional history--Spain--Castile.
Law--Spain--Castile--Codification--History.
Law--Spain--Castile--Sources.
Ordenanzas reales--Concordances.
Princeton subject headings:
Constitutional history--Spain--Castile.
Law--Spain--Castile--Codification--History.
Law--Spain--Castile--Sources.
Ordenanzas reales--Concordances.