Columbia subject headings:
Archives--History--17th century.
Archives--History--18th century.
Archives--Language.
Polish language--Archaisms.
Polish language--Early modern, 1500-1700.
Harvard subject headings:
Princeton subject headings:
Archives--Poland--Chełm--History--17th century.
Archives--Poland--Chełm--History--18th century.
Archives--Poland--Chełm--Language.
Polish language--Archaisms.
Polish language--Early modern, 1500-1700.