Ellwood: Sociology in Its Psychological Aspects, pages 352-381.
Nearing and Watson: Economics, pages 443-493.
Blackmar and Gillin: Outlines of Sociology, pages 373-392.
Dealey: Sociology, pages 351-361.
Skelton: Socialism, pages 16-61.
Carnegie: Problems of To-day, pages 121-139.