Columbia subject headings:
Journalism--Political aspects--19th century--Poland.
Journalism--Social aspects--19th century--Poland.
Journalistic ethics--Poland.
Journalists--Poland--Biography.
Mass media--Political aspects--Poland.
Harvard subject headings:
Journalism--Political aspects--Poland.
Journalism--Social aspects--Poland.
Journalistic ethics--Poland.
Journalists--Poland--Biography
Mass media--Political aspects--Poland.
Princeton subject headings: