Capital Gains and Losses and Their Distribution, 1917-1946

Lawrence Howard Seltzer and Selma F. Goldsmith, The Nature and Tax Treatment of Capital Gains and Losses (NBER, 1951), chap. 5, https://www.nber.org/books-and-chapters/nature-and-tax-treatment-capital-gains-and-losses/capital-gains-and-losses-and-their-distribution-1917-1946.