English Name
Time
Details from Source
DP
Manifesto Project
ParlGov
Wikipedia
EJPR PDY
Wikipedia tags
PolCon
PrDe
EP roll call votes
DP PDUP CU
EU-NED
DEMPROL
IPOD
Laver / Hunt
Mackie / Rose (1991)
AvOp
MAPP
PIP
PPMD (all)
Ray (1999)
TAP
added: Dec. 11, 2020, 2:32 p.m. — updated: March 12, 2021, 11:16 a.m.