Series Is Presented Here As Two Variables--(1)-- Original Data, 1913-1921 (2)--Original Data, 1918-1940. For 1913-1918, This Series Consists Of Wholesale Prices Of Pennsylvania Motor Gasoline, Tank Wagon At New York, First Saturday Of Every Month. For 1918 On, Pennsylvania Motor Gasoline, Refinery Price Is Used (Heaviest Weighted Of Bls Gasoline Price Series). Source: Bls Bulletins
This NBER data series m04123a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04123a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Pennsylvania Motor Gasoline for New York [M0423AUS000NYM264NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0423AUS000NYM264NNBR/, August 4, 2015.