English Name
Time
Details from Source
PT
Manifesto Project
Wikipedia
PadeTr
CHES
PDT
CLEA
V-Party
Wikipedia tags
Coppedge (1997)
CSES-IMD
MAPP
PPLA (2009)
PPMD (all)
Schlager / Weisblatt
PHW 1929
LaPa
PREPPS
added: July 16, 2020, 7:39 p.m. — updated: March 12, 2021, 11:16 a.m.