[8] See Appendix, 2.
[9] Cf. John A. Ryan, "The Church and Interest-Taking," p. 31: St. Louis, 1910.
[10] Cf. Bull. U. S. Bur. Lab., Jan. 1, 1911, pp. 876, 878, 881.
[11] Cf. St. Thomas, Summa, 2a 2ae, Q. 77, A. 1-2; St. Alphonsus, Lib. IV, Tr. V, n. 793.
[12] W. Cunningham, "Christianity and Social Questions," p. 114: London, 1910.
[13] See Appendix, 3.
[14] Cf. Liguori, l. c.
[15] See Appendix, 4.
[16] Cf. De Lugo, XIX, II, 4-5.
[17] Cf. De Lugo, L. c., XVII, II, n. 37.