English Name
Time
Share
Wikipedia
Party Facts ID
Manifesto Project
RPF
ParlGov
CHES
CLEA
RePoFe
EJPR PDY
Wikipedia tags
Huber / Inglehart (1995)
CSES-IMD
EP roll call votes
SGPGPVRPF
ERDDA (2013)
EU-NED
IPOD
Laver / Hunt
Mackie / Rose (1991)
MAPP
NPED
ParlSpeech
PIP
PPMD (all)
Ray (1999)