Some Evidence on the Real Price of Gold, Its Costs of Production, and Commodity Prices

Hugh Rockoff, A Retrospective on the Classical Gold Standard, 1821-1931 (University of Chicago Press, 1984), chap. 14, https://www.nber.org/books-and-chapters/retrospective-classical-gold-standard-1821-1931/some-evidence-real-price-gold-its-costs-production-and-commodity-prices.