Columbia subject headings:
Harvard subject headings:
Aragon (Spain)--Statistics--Early works to 1800.
Catholic Church--Spain--Aragon--Statistics--Early works to 1800.
Church statistics--Spain--Aragon--Early works to 1800.
Princeton subject headings:
Aragon (Spain)--Statistics--Early works to 1800.
Catholic Church--Spain--Aragon--Statistics--Early works to 1800.
Church statistics--Spain--Aragon--Early works to 1800.
Facsimiles.