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Start Over Subjects Civil Defense ✖Remove constraint Subjects: Civil Defense Subjects Emergency Shelter ✖Remove constraint Subjects: Emergency Shelter Subjects Bombs ✖Remove constraint Subjects: Bombs Authors United States. Work Projects Administration (Washington, D.C.), author, issuing body. ✖Remove constraint Authors: United States. Work Projects Administration (Washington, D.C.), author, issuing body. Languages Polish ✖Remove constraint Languages: Polish Languages Russian ✖Remove constraint Languages: Russian Languages German ✖Remove constraint Languages: German Copyright Public domain ✖Remove constraint Copyright: Public domain Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949