Byer, Herman B. , United States. Bureau of Labor Statistics and United States. Works Progress Administration. "East South Central Cities, Volume VI" 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/scribd/?item_id=494399&filepath=/files/docs/publications/bls/bls_0684-v6_1941.pdf&start_page=1, accessed on September 19, 2017.