Filosoficheskie pis'ma i apologiia sumashedshego
Chaadaev, P. I︠A︡.(Petr I︠A︡kovlevich),1794-1856.
Ann Arbor Ardis
1978
'This Ardis edition based on the Moscow 1913 texts of Chaadaev's works edited by M. Gershenzon' - forward
History