Mikhail i Marii︠a︡ : povestʹ o korotkoĭ zhizni, schastlivoĭ li︠u︡bvi i tragicheskoĭ gibeli Mikhaila Kolʹt︠s︡ova i Marii Osten /
Medovoĭ, Boris.
Moskva : Izd-vo polit. lit-ry,
1991.
Kolʹt︠s︡ov, Mikhail, 1898-1942,
Osten, Marii︠a︡
Revolutionaries