Appendix A: Derivation, from Commerce Department Estimates, of Total AGI, Wages and Salaries (Income Tax Concept), and Total Employee Compensation, Selected Years, 1929–64

Employee Compensation under the Income Tax (NBER, 1968), https://www.nber.org/books-and-chapters/employee-compensation-under-income-tax/appendix-derivation-commerce-department-estimates-total-agi-wages-and-salaries-income-tax-concept.