Columbia subject headings:
Book industries and trade--Poland--Warsaw.
Books--Poland--History.
Printing--Poland--History.
Harvard subject headings:
Book industries and trade--Poland--Warsaw--History--19th century.
Books--Poland--Warsaw--History--19th century.
Printing--Poland--Warsaw--History--19th century.
Princeton subject headings:
Book industries and trade--Poland--Warsaw.
Books--Poland--History.
Printing--Poland--History.