English Name
Time
Details from Source
PN
Manifesto Project
ParlGov
Wikipedia
CHES
CLEA
PaNa
EJPR PDY
V-Party
Wikipedia tags
DPI
NP
PolCon
NaPa
PPMD (2006)
WhoGov
CCS
ERDDA (2013)
euandi (GPS)
EU-NED
Global Elections DB
Jennings / Wlezien
Na
Laver / Hunt
Leaders Global
Mackie / Rose (1991)
PIP
Poll of Polls
POPPA
PPMD (all)
EES 2014
Schlager / Weisblatt
added: Feb. 8, 2019, 8:24 p.m. — updated: March 12, 2021, 11:15 a.m.