Zapiski ostavshīi︠a︡si︠a︡ po smerti kni︠a︡gini Natalʹi Borisovny Dolgorukoĭ.

"Zavi︠e︡t nyni︠e︡shnemu pokoli︠e︡nīi︠u︡ iz vremen pervoĭ poloviny 18-go vi︠e︡ka."

Metron

Mode of access: Internet.

Problemi sociologici della guerra.

Mode of access: Internet.

Essays political and biographical,

Mode of access: Internet.