Ostashkovskoe uezdnoe bi︠u︡ro profsoi︠u︡zov (Tverskai︠a︡ gubernii︠a︡, Russia). Frakt︠s︡ii︠a︡ RKP(b).

  1. Ostashkovskoe uezdnoe bi︠u︡ro profsoi︠u︡zov (Tverskai︠a︡ gubernii︠a︡, Russia). Frakt︠s︡ii︠a︡ RKP(b).
  2. Radial Graph