Columbia subject headings:
Liberman, S. I. (Semen Isaevich), 1881-1946.
Soviet Union--History--Revolution, 1917-1921--Personal narratives.
Harvard subject headings:
Liberman, Simon Isaevich, 1881-
Soviet Union--History--Revolution, 1917-1921--Personal narratives.
Princeton subject headings:
Personal narratives.
Soviet Union--History--Revolution, 1917-1921--Personal narratives.