Data on real commodity prices, 1850 - present

These data are freely provided to all comers, and questions and/or comments are welcome.
At the same time, I ask that if you use any of these files that you cite the following:
"From Boom to Bust: A Typology of Real Commodity Prices in the Long Run."  NBER Working Paper 18874.

Chartbook for "From Boom to Bust", 1850-2015

Commodity price booms & busts, 1850-2015

Real commodity prices, 1850-2015

Trend-cycle decomposition of real commodity prices, 1850-2015