The Initiative 256 "Keep American Beautiful" Act of 1970 Records are organized in accordance with the following series arrangement:

Series I: Origins of Initiative 256, January-March 1970
Series II: Initiative Filing Process, 1967-1970
Series III: Campaign Organization, Undated; 1970
Series IV: Campaign Finances, May-October 1970
Series V: Campaign Promotion, March-October 1970
Series VI: Opposition to Initiative 256, March-October 1970
Series VII: The Election, April 1970 to January 1971
Series VIII: Reference Materials, January 1969 to March 1971
Series IX: Press Coverage, April-November 1970
Series X: Correspondence, April 1952 to May 1974
Series XI: Book Project- Robert Keller, April 1970 to March 1976
Series XII: Post 256 Reference Materials- Collected by Robert Keller, 1969-1994
Series XIII: Television Production: "The Initiative and the People" 1972
Series XIV: Photographs, Undated
Series XV: Film- 8mm Color, 1970