Psychological Aspects of the Problem of Atmospheric Smoke Pollution

by J. E. Wallace Wallin

FOOTNOTES:

[1] Figures placed within parenthesis refer to the corresponding references in the bibliography at the close of the paper.

[2] The writer has confirmed this statement in inquiries made among a number of recent professional arrivals in Pittsburgh, who say they are more fatigued by their work here than in other cities where they have labored.