Columbia subject headings:
Aragonese--Societies, etc.--History--Sources.
Aragonese--Societies, etc.--History.
Architecture--Spain--Aragon--History--Sources.
Architecture--Spain--Aragon--History.
Building guilds--Spain--Aragon--History--Sources.
Building guilds--Spain--Aragon--History.
Harvard subject headings:
Architecture--Italy, Southern--15th century.
Architecture--Italy, Southern--16th century.
Architecture--Spain--Aragon--15th century.
Architecture--Spain--Aragon--16th century.
Building guilds--Italy, Southern.
Building guilds--Spain--Aragon.
Princeton subject headings:
Aragonese--Societies, etc.--History--Sources.
Aragonese--Societies, etc.--History.
Architecture--Spain--Aragon--History--Sources.
Architecture--Spain--Aragon--History.
Building guilds--Spain--Aragon--History--Sources.
Building guilds--Spain--Aragon--History.