Selected records of TRAP include the following series: General Administrative and Reference File of the Chief of TRAP, Olin Dows, includes correspondence, reports, planning projects for artists, and memoranda (reel DC14); Correspondence of the New York City Supervisor with the Washington, D.C. office (reels DC14-15); and the bulk of the records, Central Office Correspondence with Field Offices, State Supervisors and Others (reels DC16-38).