Series Is Presented Here As Two Varibbles--(1)--Seasonally Adjusted Data, 1929-1946 (2)--Seasonally Adjusted Data, 1945-1966. These Figures Are Monthly Totals At Annual Rates. Source: Survey Of Current Business, Supplement: National Income, 1954 Edition, For Datathrough 1945; 1946 Data Are From The July, 1958 Issue Of Survey Of Current Business.
This NBER data series m08275a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08275a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Proprietors' and Rental Income for United States [M0875AUSM027SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0875AUSM027SNBR/, July 29, 2015.