STEVENSON, Harold (1929-). Protect Them / Join Civil Defense. 1951. Promotional Services, Inc. Civil Defense Recruitment Series 1A. Offset lithograph poster 26 x 17?. Linen backed. Restored loss with expert over-painting to upper left corner. A-. The Federal Civil Defense Administration was organized by President Harry S. Truman on December 1, 1950 with the chief aim of protecting the United States against a potential nuclear attack or biological warfare. The administration issued posters and brochures on emergency preparedness, communism, and fallout shelters.