The Rich and the Dead. Socioeconomic Status and Mortality in the United States, 1850-1860

Joseph P. Ferrie, Health and Labor Force Participation over the Life Cycle: Evidence from the Past (University of Chicago Press, 2003), chap. 2, https://www.nber.org/books-and-chapters/health-and-labor-force-participation-over-life-cycle-evidence-past/rich-and-dead-socioeconomic-status-and-mortality-united-states-1850-1860.