Appendix B: List of Series with Acceptable Conformity and Timing, in Three Timing Groups

Geoffrey H. Moore, Statistical Indicators of Cyclical Revivals and Recessions (NBER, 1950), https://www.nber.org/books-and-chapters/statistical-indicators-cyclical-revivals-and-recessions/appendix-b-list-series-acceptable-conformity-and-timing-three-timing-groups.