Proceedings of the Second All-Russian Congress.K.D.Ushinsky.Vol.2. Works of the 1st section.United sessions.Reports

All-Russian Congress of Representatives of Societies of Assistance to Persons of the teacher's rank (2; Petersburg; 1913-1914).Proceedings of the Second All-Russian Congress.K.D.Ushinsky / S.-Petersburg.Ped.Oh-in mutual.assistance;Ed.V.A.Zelenko.Vol.one-.- St. Petersburg: Program.Fin.Commissaries, 1914-1915.- 24. -.I. Zelenko, Vasily Adamovich (1880-).Electronic Source: PBVol.2: Works of the 1st section;United meetings;Reports / Petrogr.Ped.o-in mutual assistance.- GH.: [A type.br.V. and I. Linnik], 1915. - [1], 265 s .. -Alpha.decree.Rapporteurs: p.261-262..Electronic Source: PB