Gottlieb, Herbert L. and United States. Bureau of Labor Statistics. Employment Outlook in Hotel Occupations: Duties, Qualifications, Outlook, Earnings, Working Conditions : Bulletin of the United States Bureau of Labor Statistics, No. 905 , Washington: U.s. G.P.O., 1947, https://fraser.stlouisfed.org/title/4352, accessed on November 16, 2024.