DSA Veterans Closed Facebook Group
Members of the Democratic Socialists of America Veterans Working Group Closed Facebook Group, as of August 6, 2017, included Greg Harden.
DSA Dank PDF Stash
"Wholesome Meme Stash"
Members of the Democratic Socialists of America Wholesome Meme Stash closed Facebook group, accessed November 14, 2017 included Greg Harden.