Ridpath's history of the world : being an account of the ethnic origin, primitive estate, early migrations, social conditions and present promise of the principal families of men /

Lettered on cover: Mankind.

The Springfield survey : a study of social conditions in an American city /

"Findings issued in three volumes which report on nine principal fields of investigation"

Social problems; a study of present-day social conditions,

"Questions", "References", and "Supplementary readings" at end of each chapter.