This case deals with minimum wage laws and sex discrimination, much like Adkins v. Children's Hospital[?] 261 US 525 1923 and Muller v. Oregon 208 US 412 1908.
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... 26.1% have children under the age of 18 living with them, 60.7% are married couples living together, 8.8% have a female householder with no husband present, and 28.1% are ...