The Oklahoma State Senate Historical Preservation Fund, Inc. is NOT in Tulsa. It is located at the Oklahoma State Capitol complex in Oklahoma City.
Oklahoma State Senate
2300 N Lincoln Boulevard
Oklahoma City, OK 73105
Contact the Oklahoma Historical Society (Tulsa office: 2401 N Laird Ave, Oklahoma City — wait, OHS is in OKC; Tulsa has Gilcrease Museum, Philbrook, Tulsa Historical Society for local history).
For Senate history, go to the Capitol in OKC.