Title: Partiĭnoe soveshchanie R.S.-D.R.P. 27 dekabri͡a 1918 g. - 1 i͡anvari͡a 1919 g.
Subjects: Congresses, Rossiĭskai͡a sot͡sial-demokraticheskai͡a rabochai͡a partii͡a