Volgadon, Zemlyanka is indeed a Russian war song. The liner notes say, "This song was written in Moscow in the winter of 1941-42 when there was an evacuation of women in the face of a threatened German attack. It reflected the gloomy mood of that time and became immediately popular."

I don't know whether A Quiet Night is Tyomnaya Noch. In the liner notes, the name of the song is given as Silence, the Night. It was written by Hirsh Glik, and is about sabotage against the Nazis. "A lass ... holding a pistol tight in her hand ... watches over the enemy's caravan ... she stopped a car ... with one bullet ...."