The Knoxville Historic Preservation Commission is continuing their Fourth Thursday series this Thursday at the Knoxville Public Library. This month, the discussion will focus on the history of the businesses and buildings on the Knoxville Town Square. Commission member Pennie Sommar says that she thinks that they are close to finalizing the historical map of the Knoxville Town Square. Discussion begins at 6:30 on the 2nd floor of the library. It is open to the public.