Sochinenīi͡a.

Mode of access: Internet.

Lekt︠s︡ii po russkoĭ istorīi professora S.F. Platonova.

Mode of access: Internet.

Sergi︠e︡i︠u︡ Fedorovichu Platonovu--ucheniki, druz'i︠a︡ i pochitateli; [svornik stateĭ]

Includes bibliographical references.