Columbia subject headings:
Harvard subject headings:
Chur (Switzerland)--History--15th century--Sources.
Guilds--Law and legislation--Switzerland--Chur--History--Sources.
Law--Switzerland--Chur--History.
Princeton subject headings:
Chur (Switzerland)--History--15th century--Sources.
Guilds--Law and legislation--Switzerland--Chur--History--Sources.
Law--Switzerland--Chur--History.