Social surveys

The Church on the Changing Frontier

A Study of the Homesteader and His Church

Helen Olive Belknap

Charities and the Commons

The Pittsburgh Survey, Part II. The Place and Its Social Forces

Various

Six Thousand Country Churches

Gifford Pinchot
Charles Otis Gill

Charities and the Commons

The Pittsburgh Survey, Part I. The People

Various

West Side Studies

Boyhood and Lawlessness; The Neglected Girl