Socialist Party of Italian Workers (it|Partito Socialista dei Lavoratori Italiani, PSLI) is the name for a political party that has been used by three distinct organizations of the political left in Italy.
PSLI was the first name of the Italian Socialist Party (it|Partito Socialista Italiano, PSI) from 1893 to 1895.[1]
The most well known usage of PSLI was as the name of the Unitary Socialist Party (it|Partito Socialista Unitario, PSU) from 1925 to 1927.[2]
PSLI was the name of the Italian Democratic Socialist Party (it|Partito Socialista Democratico Italiano, PSDI) from 1947 to 1951.[3] [4]