1. Superconductivity of a Charged Ideal Bose Gas
2. S.I. Pekar,Investigations of the electronic theory of crystals(AEC report-tr-5575, US Government Printing Office, 1963): Russian original, (Gostekhizdat, Moscow, 1951).
3. Self-Trapping of an Electron by the Acoustical Mode of Lattice Vibration. I
4. Adiabatic Theory of an Electron in a Deformable Continuum