Community and workshop: Community and workshop / by P.U. Kellogg -- Race studies: Immigrant wage-earners / by Peter Roberts. A Slav's a man for a' that / by A.B. Koukol. Medieval Russia in the Pittsburgh district / by Alexis Sokoloff. One hundred Negro steel workers / by R.R. Wright, Jr. -- Industry: Wage-earners of Pittsburgh / by J.R. Commons and W.M. Leiserson. Factory inspection in Pittsburgh (with special reference to working conditions of women and children) / by Florence Kelley. Industrial hygiene of the Pittsburgh district / by H.F.J. Porter. Sharpsburgh : a typical waste of childhood / by E.B. Butler -- The reverse side / by James Forbes: The police, an organism. The underworld. Yeggs. Beggars. Lodging houses. Prostitution. Social police -- Appendices.