September 21, 1966 by Caroline Letkeman FOIA Correspondence (September 21, 1966) File/Ref. No.: OMPF-LRH-05-015-016; OMPF-LRH-05-017-019 Download: OMPF-LRH-05-015-016.pdf Download: OMPF-LRH-05-017-019.pdf