Radical Socialist Republican Party ended in 1934.
Radical Socialist Party - Luxembourg - ended in 1932.
Republican-Socialist Party ended in 1934.
Republican Socialist Party ended in 1889.
Scottish Republican Socialist Party ended in 1998.
Socialist Party of Vietnam ended in 1988.
Socialist Party of America ended in 1973.
Socialist Mexican Party ended in 1989.
Praja Socialist Party ended in 1972.
Portuguese Socialist Party ended in 1933.
Socialist Party of Slovenia ended in 1994.
Socialist Party of Washington ended in 1972.
Italian Socialist Party ended in 1994.