by Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡, Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov, Konstitut︠s︡ionno-demokraticheskai︠a︡ partii︠a︡