Source : Webster's Revised Unabridged Dictionary (1913)

Epistolographic \E*pis`to*lo*graph"ic\, a. [Gr. ? : cf. F.
   ['e]pistolographique.]
   Pertaining to the writing of letters; used in writing
   letters; epistolary.

   {Epistolographic character} or {mode of writing}, the same as
      {Demotic character}. See under {Demotic}.