Creamer, Daniel Barnett, 1909- and Swackhamer, Gladys V. Cigar Makers-After the Lay-Off : A Case Study of the Effects of Mechanization on Employment of Hand Cigar Makers, Report No. L-1 , Philadelphia, Pennsylvania: Works Progress Administration, National Research Project, December 1937, https://fraser.stlouisfed.org/title/6640, accessed on July 12, 2025.