[64] Haney, p. 323.
[65] 48th Cong., 2d Sess., Sen. Exec. Doc. No. 40.
[66] 16 Stat. L. 115; 17 Stat. L. 309.
[67] Haney, p. 206 (Bulletin of the University of Wisconsin: Economic and Political Science Series, vol. vi).
[68] 23 Stat. L. 156.
[69] See Postal Laws and Regulations of 1913, Title X, “Transportation of the Mails,” p. 607 ff.
[70] See 43d Cong., 1st Sess., Sen. Rep. No. 478. This point is developed below, p. 151 ff.
[71] 5 Stat. L. 733.
[72] 9 Stat. L. 202.
[73] 10 Stat. L. 38.