English Name
Time
Link
Details from Source
CD
Manifesto Project
Ce
ParlGov
CHES
CLEA
EJPR PDY
Wikipedia tags
Huber / Inglehart (1995)
ERDDA (2013)
CPCD
EU-NED
IPOD
CeDe
Mudde (2007)
NPED
PIP
PPMD (all)
Ray (1999)
TAP
The PopuList
PPEPE (2021)
NPPSI
added: July 8, 2018, 7:44 p.m. — updated: Jan. 4, 2022, 11:41 a.m.