Columbia subject headings:
Political prisoners--Soviet Union--Biography.
Witschel, Margaretha.
Women prisoners--Soviet Union--Biography.
Women--Social conditions--Soviet Union--Biography.
Harvard subject headings:
Political prisoners--Soviet Union--Biography
Witschel, Margaretha.
Women prisoners--Soviet Union--Biography.
Women--Soviet Union--Biography.
Princeton subject headings:
Forced labor--Russia (Federation)--Siberia.
Internment camps--Soviet Union.
Prisoners--Soviet Union--Personal narratives.
Witschel, Margaretha.