Byer, Herman B.
, United States. Bureau of Labor Statistics
and United States. Works Progress Administration. "Middle Atlantic Cities, Volume II" in Salaries and Hours of Labor in Municipal Fire Departments, July 1, 1938 : Bulletin of the United States Bureau of Labor Statistics, No. 684
(1941).
https://fraser.stlouisfed.org/title/4183/item/494400, accessed on January 15, 2026.