English Name
Time
Details from Source
PT
Manifesto Project
Wikipedia
PadeTr
CLEA
V-Party
Wikipedia tags
Coppedge (1997)
CSES-IMD
GPS 2019
MAPP
PPMD (all)
Schlager / Weisblatt
PHW 1929
LaPa
PREPPS
added: Oct. 6, 2013, 4:25 p.m. — updated: March 12, 2021, 11:16 a.m.