Columbia subject headings:
Harvard subject headings:
Bergbau-Berufsgenossenschaft (Bochum, Germany). Institut für Pathologie.
Coal miners--Diseases--Research--History.
Lubarsch, Otto, 1860-1933
Princeton subject headings:
Bergbau-Berufsgenossenschaft (Germany). Institut für Pathologie--History.
Pathological laboratories--Germany--Bochum--History.