By Ira V. Hiscock
Associate Professor of Public Health, Yale School of Medicine

Assisted by

Harold H. Walker
Assistant in Public Health
William C. Welling
Lecturer in Public Health
and
Graduate and Medical Students of the 1927-28 Class in the Principles of Public Health, Yale School of Medicine
and with the cooperation of

The State Department of Health
The State Dairy and Food Commissioner
and
The State Commissioner on Domestic Animals