Columbia subject headings:
Harvard subject headings:
Political activists--Germany--Biography
Strub-Rayss, Lotte, 1912-2008--Exile--Soviet Union.
Wolf, Friedrich, 1888-1953--Exile--Soviet Union.
Wolf, Friedrich, 1888-1953--Family.
Princeton subject headings:
Political activists--Germany--Biography.
Strub-Rayss, Lotte, 1912-2008--Exile--Soviet Union.
Wolf, Friedrich, 1888-1953--Exile--Soviet Union.
Wolf, Friedrich, 1888-1953--Family.