Data Include Alaska From January 1959; Hawaii From July 1959. Source: NBER Derived Data From Series 10044 (Consumer Instalment Credit Outstanding, Total, End Of Month)
This NBER data series m10045 appears on the NBER website in Chapter 10 at http://www.nber.org/databases/macrohistory/contents/chapter10.html.
NBER Indicator: m10045
Release: NBER Macrohistory Database
National Bureau of Economic Research, Consumer Installment Credit Outstanding, Month-To-Month Change, Total for United States [M10045USM144NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M10045USM144NNBR/, August 1, 2015.