[Not Available].
D004467:Economics / Q000266:history; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D007750:Labor Unions; D008519:Medicine, Traditional / Q000266:history*; D009324:Naturopathy / Q000266:history*; D016273:Occupational Exposure / Q000266:history*; D016272:Occupational Health / Q000266:history*; D009938:Organizations / Q000266:history
Arbeiterschaft, Naturheilkunde und der Verband Volksgesundheit (1880-1918).