| http://www.w3.org/ns/prov#value | - Recent statistics show that in 1920 there were in the United States over 41 million persons of both sexes engaged in gainful occupations out of a total population of over 105 millions.1 Out of chose 41 millions only 26 millions were actually employed in the industries, including transportation and agriculture, the balance of 15 millions consisting mostly of persons engaged in trade, of commercial
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