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Prisoners during a roll call at the Buchenwald concentration camp. Their uniforms bear classifying triangular badges and identification numbers. Buchenwald, Germany, 1938–41.
![Prisoners during a roll call at the Buchenwald concentration camp. [LCID: 10105]](https://encyclopedia.ushmm.org/images/large/7a878b50-7f17-4ce7-861f-674ba3de22c2.jpg)