Columbia subject headings:
Labor disputes--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Coal mining--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Iron industry--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Iron mining--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Steel industry--Germany--Osnabrück (Landkreis)--History--19th century.
Harvard subject headings:
Labor disputes--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Coal mining--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Iron industry--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Iron mining--Germany--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Steel industry--Germany--Osnabrück (Landkreis)--History--19th century.
Princeton subject headings:
Labor disputes--Germany (West)--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Coal mining--Germany (West)--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Iron industry--Germany (West)--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Iron mining--Germany (West)--Osnabrück (Landkreis)--History--19th century.
Strikes and lockouts--Steel industry--Germany (West)--Osnabrück (Landkreis)--History--19th century.