English Name
Time
Details from Source
PZU
Manifesto Project
Wikipedia
missing
CLEA
PaofGrofUk
V-Party
Wikipedia tags
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
GPU
WhoGov
World Values Survey
Elections Global
KUREP (2012)
added: April 14, 2019, 5:46 p.m. — updated: March 12, 2021, 11:15 a.m.