English Name
Time
Details from Source
PZU
Manifesto Project
Wikipedia
missing
V-Party
Wikipedia tags
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
GPU
WhoGov
World Values Survey
CSES-IMD
PaofGrofUk
Elections Global
KUREP (2012)
added: July 20, 2015, 11:05 p.m. — updated: March 16, 2021, 12:31 a.m.