This was quite interesting: http://www.theatlantic.com/politics/archive/2013/02/the-epic-surprisingly-sexist-fight-that-brought-the-minimum-wage-to-america/273161/?google_editors_picks=true
The Epic, Surprisingly Sexist Fight That Brought the Minimum Wage to America
Guaranteeing workers 25 cents an hour two decades, a public scandalized by prostitution, a states’-rights rebellion, a Great Depression, a Supreme Court battle, and a lot of patriarchy.