A collection of letters largely focusing on tax matters from various constituents and Wilson's replies to these as well as to other Congressmen such as Chairman Wilbur Mills. Examples are: Letter (1/3/59) from CPA Carl M. Esenoff & Wilson's reply re/ politics and non-interest-bearing certificates; letters (Dec. 1959-Jan. 1960) from W.H. Shattuck, Jr. ( V.P., First National Bank), Congressmen Wilson & Mills re/ discussion on limiting interest deduction on home mortgages & placing limits on entertainment deductions; letters (Jan. -Feb. 1960) from constituent D.W. Miller & Congressmen Mills and Wilson re/ inconsistency between Social Security & Railroad Retirement & public retirement income. Tax on the latter none on the former; letters (Dec. 1959-Feb. 1960 from constituent Louis Valence & Congressmen Mills & Wilson re/ Mr. Valance's extensive critique and suggestions on "the whole federal tax structure;" other letters in this collection deal with gasoline taxes, pensions, Social Security (i.e. "Modern Up-To-Date Pension Plan" as proposed by constituent D.H. Coffey); & a copy of H.R. 3149 "A Bill to equalize taxation and provide revenue;"