8. Social insurance in your state.
9. Interview the officials of a trade union concerning the payment of sickness insurance by the union.
10. The emergency treatment of injured workmen in a near-by mill or factory. Compare this treatment with the treatment outlined in the references which are appended to Topic 21.
II.
11. Causes of child labor. (Mangold, Problems of Child Welfare, part iv, chapter i.)
12. Effects of child labor. (Mangold, Problems of Child Welfare, part iv, chapter iii.)
13. Women in industry. (Select some phase of this problem for report. Consult Butler, Women and the Trades; MacLean, _Women Workers and Society; Kelley, Some Ethical Gains through Legislation; Annals, vol. lxv; Abbot, Women in Industry, and similar works.)
14. Relation of home conditions to industrial efficiency. (Annals, vol. lxv, pages 277-288.)
15. Industrial efficiency of women compared with that of men. (Lee, The Human Machine and Industrial Efficiency, chapter x.)
16. Housing the unskilled worker. (Wood, The Housing of the Unskilled Wage-earner.)