All data sets from "Forecasting: methods and applications" by Makridakis, Wheelwright & Hyndman (Wiley, 3rd ed., 1998) < https://robjhyndman.com/forecasting/>.
An R package containing data from the book "Forecasting: methods and applications" by Makridakis, Wheelwright and Hyndman (Wiley, 1998)