English Name
Time
Details from Source
DP
Manifesto Project
DPPD
ParlGov
Wikipedia
CHES
CLEA
Grpaetdm
Grdm
Padm
EJPR PDY
V-Party
Wikipedia tags
DPI
ESS prtc*
ESS prtv*
PolCon
DeGr
DePa
PPMD (2006)
WhoGov
CCS
PD
Elections Global
EP roll call votes
ERDDA (2013)
euandi (GPS)
EU-NED
GPS 2019
IPOD
Janda (1980)
LuDePa
Laver / Hunt
Leaders Global
Mackie / Rose (1991)
PDDP
Morgan (1976)
GRPD
PAGED
PIP
Poll of Polls
PPMD (all)
Ray (1999)
EES 2014
PadmDP
Schlager / Weisblatt
EJS 2000
added: Nov. 7, 2018, 11:14 a.m. — updated: March 12, 2021, 11:16 a.m.