[First posted on June 28, 2018, at rgr-cyt.org.]
This post is a continuation of my April 2018 post on the “old RIF numbers” formerly used in the JFK Assassination Record Collection (ARC) at the National Archives and Records Administration (NARA).
This ID system is no longer used at NARA, but there are still many documents using it in the important on-line version of the ARC at the Mary Ferrell website.…