Columbia subject headings:
Berlin (Germany)--Ethnic relations.
Helping behavior--Germany--Berlin--Case studies.
Jews--Germany--Berlin--History--20th century.
Jews--Persecutions--Germany--Berlin.
Kaufmann, Franz, 1886-1943.
Righteous Gentiles in the Holocaust--Germany--Berlin.
Schönhaus, Cioma, 1922-2015.
Segal family.
Social networks--Germany--Berlin--Case studies.
World War, 1939-1945--Jews--Rescue--Germany--Berlin--Case studies.
Harvard subject headings:
Germany--Social conditions--1933-1945.
Jews--Social networks--Germany--History--20th century.
Kaufmann, Franz, 1886-1943.
National socialism.
Schönhaus, Cioma, 1922-2015.
Segal family.
Princeton subject headings:
Germany--Social conditions--1933-1945.
Jews--Social networks--Germany--History--20th century.
National socialism.