Scope and Contents The largest part of the David L. Boren collection, the Correspondence series, consists of over 7,200 folders. These materials range in date from 1978 to 1994 and contain mainly CSS Constituent Correspondence. The materials are numerically coded and cover a wide range of topics. Most material in this series was given a numerical designation by Boren's office staff in reference to the CSS System the office used. The archivist retained these codes as folder titles when possible. The archivists...