Proceedings of the III All-Russian Congress of Workers in the Larrier Industry in the St. Petersburg 1913.Ext.1

Proceedings of the III All-Russian Congress of Workers in the Larrier Industry in the St. Petersburg 1913.Ext.1. - St. Petersburg.: Type.G. A. Bernstein, 1913. -Content: Sk.2..Electronic copy source: GPNTB of Russia