Sochinenii︠a︡ i pisʹma /
Chaadaev, P. I︠A︡.(Petr I︠A︡kovlevich),1794-1856.
Gershenzon, M. O.(Mikhail Osipovich),1869-1925.
Oxford :  Mouette Press, 
1972.
Text in French and Russian.
Reprint of the Moscow, 1913-14 edition.
Philosophy