- The Postal Deficit: An Examination of Some of the Legislative and Administrative Aspects of a Great State Industry (Classic Reprint)
- Railway Economics
- An Examination and Analysis of the Postmaster-General's Proposals Concerning Railway Mail Pay: Being a Study of House Document No. 105, Sixty-Second Congress, First Session, Based Upon the Original Da
- Rebates
- The Federal Courts and the Orders of the Interstate Commerce Commission