Columbia subject headings:
International.
Paris (France)--History--Commune, 1871.
Paris (France)--History--Siege, 1870-1871.
Harvard subject headings:
International Workingmen's Association (1864-1876)
International Workingmen's Association.
Paris (France)--History--Commune, 1871.
Paris (France)--History--Siege, 1870-1871.
Princeton subject headings:
Paris (France)--History--Commune, 1871.
Paris (France)--History--Siege, 1870-1871.