Excerpt from A Social-Economic Grouping of the Gainful Workers of the United States: Gainful Workers of 1930 in Social-Economic Groups, by Color, Nativity, Age, and Sex, and by Industry, With Comparative Statistics for 1920 and 1910 Gainful workers in each industry or service group, classified into social-economic groups, by color. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.