English Name
Time
Details from Source
DUP
Manifesto Project
ParlGov
Wikipedia
Wikipedia tags
ESS prtc*
ESS prtv*
Huber / Inglehart (1995)
PPMD (2006)
EPAC (2018)
EP roll call votes
euandi (GPS)
GPS 2019
ParlSpeech
PIP
DeUnPa
POPPA
PPMD (all)
The PopuList
EES 2014
DeUnPaDU
Schlager / Weisblatt
EJS 2010
added: Feb. 4, 2019, 6:34 p.m. — updated: March 12, 2021, 11:14 a.m.