Columbia subject headings:
Building trades--England--York--History.
Construction workers--England--York--History.
Guilds--England--York--History.
York (England)--History.
Harvard subject headings:
Building trades--England--York--History.
Construction workers--England--York--History.
Guilds--England--York--History.
York (England)--History
Princeton subject headings:
Building trades--England--York--History.
Construction workers--England--York--History.
Economic history--Medieval, 500-1500.
Guilds--England--York--History.
York (England)--History.