Columbia subject headings:
Czech newspapers--Directories.
Czech periodicals--Directories.
Press--Slovakia--History--20th century.
Harvard subject headings:
Czech newspapers--Bibliography.
Czech newspapers--Directories.
Czech periodicals--Bibliography.
Czech periodicals--Directories.
Press--Czech Republic--History--20th century.
Princeton subject headings:
Czech newspapers--Directories.
Czech periodicals--Directories.
Press--Czech Republic--History--20th century.