Appendix A: Notes on Estimates of Capital, Output and Employment in Manufacturing, 1880-1953

Daniel Creamer, Capital in Manufacturing and Mining: Its Formation and Financing (Princeton University Press, 1960), https://www.nber.org/books-and-chapters/capital-manufacturing-and-mining-its-formation-and-financing/appendix-notes-estimates-capital-output-and-employment-manufacturing-1880-1953.