English Name
Time
Details from Source
RPF
Manifesto Project
ParlGov
Wikipedia
CHES
CLEA
RePoFe
Wikipedia tags
Huber / Inglehart (1995)
CSES-IMD
EP roll call votes
SGPGPVRPF
ERDDA (2013)
EU-NED
IPOD
Laver / Hunt
Mackie / Rose (1991)
MAPP
NPED
PAGED
ParlSpeech
PIP
PPMD (all)
Ray (1999)
NPPSI
Schlager / Weisblatt
EJS 2000
added: Sept. 8, 2015, 12:54 p.m. — updated: March 12, 2021, 11:14 a.m.