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Start Over Subjects Disaster Planning ✖Remove constraint Subjects: Disaster Planning Subjects Civil Defense ✖Remove constraint Subjects: Civil Defense 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 Swedish ✖Remove constraint Languages: Swedish Genre Periodical Index ✖Remove constraint Genre: Periodical Index Genre Bibliography ✖Remove constraint Genre: Bibliography Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949