Wordnet polsko-angielski 
                         (the ideology of the political left
belief in or support of the tenets of the political left) 
leftism 
Słownik polsko-angielski EXETER Copyright © http://www.kastor.strefa.pl.
                        leftism
Polsko-angielski słownik terminologii prawniczej 2005 r., autorstwa Ewy Łozińskiej-Małkiewicz i Joanny Małkiewicz
                        leftism, radicalism