The New York State Industrial Commission made a study of the average weekly earnings of labor in the factories of the state. They found that between June, 1914, and June, 1918, wages had increased 64 per cent.[8] The United States Bureau of Labor Statistics made a study of food. Taking the year 1913 as the base, or 100, wages in 1907 were 92 and the retail prices of food, 82, and in 1918 wages were 130 and food 168. That is, the price of food increased much more rapidly than the average union wage scale between 1907 and 1918.[9] As a result of these low earnings, the wife and children in many immigrant families have been forced into the industrial field and even then the resulting incomes have often been inadequate. The Immigration Commission found that almost one third of the foreign-born families studied had a total family income of under five hundred dollars, and almost two thirds had incomes less than seven hundred and fifty dollars. Not only is the family income often inadequate and composite, but precarious and uncertain. The need for food is a regularly recurring need; the demand for labor may be seasonal, periodically interrupted, and in time of crisis wholly uncertain. Although child labor laws have been enacted in many states and by the United States Congress, they are comparatively recent. Their absence in earlier years has had its inevitable effect on many foreign born. Many of the leaders in the immigrant groups who came here when they were still children, tell of stopping school and going to work. One Lithuanian woman, who is among the more prosperous of the group in Chicago, said that she stopped school when she was twelve, and went to work in a fruit-packing concern, working ten hours a day and earning five dollars a week, which she gave to her father. Another worked as a cash girl in a downtown store at the age of thirteen. Similarly, in one of the Russian families now living in Chicago, the girls were fourteen and nine when they came to this country and settled in a New Jersey town. The older was sent to work at once, and the younger a year later. Now, after nine years in this country, neither girl can speak English. The present laws are not always efficiently enforced, and the child of the foreign born suffers especially from such failure to enforce the law. In one of the mining communities of Illinois, visited in the spring of 1919, Italian boys as young as twelve were found working in the mines. In New Mexico, children of twelve and ten, and even younger, were taken out of school each year in the spring to go with their fathers to work on other men's farms or to herd sheep. Our investigator was impressed, in Rolling Prairie, with the need of including agriculture among the occupations from which young children are prohibited as wage earners. THE WAGE-EARNING MOTHER