title: [Music and songs as an instrument of self defense in Nazi concentration camps].
mesh_terms: D003209:Concentration Camps / Q000266:history*; D003674:Defense Mechanisms; D005858:Germany; D049673:History, 20th Century; D006801:Humans; D009146:Music; D011330:Prisons / Q000266:history*; D014858:War Crimes / Q000266:history
vernacular_title: Dalsze przyczynki do zagadnień muzyki i pieśni w zakresie samoobrony psychicznej wieźniów w obozach hitlerowskich.