"The documents in this volume do not go beyond the autumn of 1918."--Pref.
The bibliography includes a list of periodicals and newspapers which have been cited or from which material has been quoted, together with a brief sketch of the history of those publications (pages 750-770)
The bolsheviks, the mensheviks, and the Second International.--The activities of the bolsheviks abroad, 1914-1916.--International socialist conferences, September, 1914-April, 1915.--Zimmerwald.--Kienthal.--Tactics and dissensions of the Zimmerwald left.--Stockholm: the third Zimmerwald conference.--Chronology.--Bibliography (p. 729-770)--Biographical notes