HARVAN - A possibly defunct classification compartment or dissemination marking (employed by the White Residence during the 1970s) Entire set up cannot be discovered online AFAIK, but even snapshots from it expose common codewords from this web page and from the TAO & GCHQ codeword pages as well as plethora https://codeword56666.dsiblogger.com/73058056/codeword-options