English Name
Time
Details from Source
SFIO
Manifesto Project
PS
ParlGov
Wikipedia
missing
Wikipedia tags
CHISOLS
SEIO
PolCon
WoIn
SoSF
Leaders Global
Mackie / Rose (1991)
Thomas (1975)
SF
PHW 1929
So
ReUn
added: Dec. 7, 2015, 8:27 p.m. — updated: March 12, 2021, 11:16 a.m.