Thirteen-Box Tagmemic Theory as a Method for Displaying Semi-Independent Language Variables September 12, 2013 By Vern Poythress Vern S. Poythress, “Thirteen-Box Tagmemic Theory as a Method for Displaying Semi-Independent Language Variables” (PDF), Originally published in Studies in Language 2/1:71-85. Used with permission. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Email a link to a friend (Opens in new window) Email More Share on Reddit (Opens in new window) Reddit Share on LinkedIn (Opens in new window) LinkedIn Share on Pinterest (Opens in new window) Pinterest Share on Tumblr (Opens in new window) Tumblr