English Name
Time
Details from Source
EA
Manifesto Project
ParlGov
Wikipedia
CHES
Wikipedia tags
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
EPAC
EP roll call votes
KUREP (2012)
NPED
BS
PIP
BaSo
Ray (1999)
added: March 5, 2020, 8:25 p.m. — updated: May 5, 2025, 11:10 a.m.