State insurance of persons of the rural state in cases of disability and old age

Nikonov, Sergey Pavlovich (1868-).State insurance of persons of the rural state in cases of disability and old age / S.P.Nikonov, Horde.prof.Petrogr.un-ta.- Petrograd: Type.A.E.Collins, 1915. - [2], VI, 133 p.;22. - (Scientists of the Law Faculty of Petrograd University; Issue 2).Electronic Source: PB