Pacific Cities, Volume IX
Byer, Herman B. , United States. Bureau of Labor Statistics and United States. Works Progress Administration. "Pacific Cities, Volume IX" 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=494403&filepath=/files/docs/publications/bls/bls_0684-v9_1941.pdf&start_page=1, accessed on October 18, 2017.