New England Cites, Volume I
Byer, Herman B. , United States. Bureau of Labor Statistics and United States. Works Progress Administration. "New England Cites, Volume I" in Salaries and Hours of Labor in Municipal Fire Departments, July 1, 1938 : Bulletin of the United States Bureau of Labor Statistics, No. 684 (1940). https://fraser.stlouisfed.org/scribd/?item_id=494402&filepath=/files/docs/publications/bls/bls_0684-v1_1940.pdf&start_page=1, accessed on September 25, 2017.