Sochinenii︠a︡ i pisʹma /
Chaadaev, P. I︠A︡.(Petr I︠A︡kovlevich),1794-1856.
Gershenzon, M. O.(Mikhail Osipovich),1869-1925.
Zug :  Inter Documentation Company, 
[1975]
Originally published Moskva: Tovaishchestvo tipografii A. I. Mamontova, 1913-14, in 2 v.
Philosophy