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Lua i Stíl Chicago (17ú heag.)Walther, Alexander. "Helmut Eschwege and Jewish Life in the German Democratic Republic." Rebuilding Jewish Life in Germany 2020.
Lua MLA (8ú heag.)Walther, Alexander. "Helmut Eschwege and Jewish Life in the German Democratic Republic." Rebuilding Jewish Life in Germany, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.