"In 1900 there were 500,000 women office workers--in 1870 there had been 19,000. Women were switchboard operators, store workers, nurses. Half a million were teachers. The teachers formed a Teachers League that fought against the automatic firing of women who became pregnant. The following "Rules for Female Teachers" were posted by the school board of one town in Massachusetts: Do not get married. Do not leave town at any time without permission of the school board. Do not keep company with men. Be home between the hours of 8 P.M. and 6 A.M. Do not loiter downtown in ice cream stores. Do not smoke. Do not get into a carriage with any man except your father or brother. Do not dress in bright colors. Do not dye your hair. Do not wear any dress more than two inches above the ankle. The"