English Name
Time
Link
Details from Source
DS
Manifesto Project
SoDe
Wikipedia
SD
CHES
Wikipedia tags
ESS prtc*
ESS prtv*
EU-NED
GPS 2019
PAGED
PIP
Poll of Polls
POPPA
NPPSI
added: June 8, 2016, 9:43 a.m. — updated: Dec. 11, 2023, 11:42 p.m.