Columbia subject headings:
Harvard subject headings:
Holocaust memorials--Germany--Brandenburg--Congresses.
Holocaust, Jewish (1939-1945)--Germany--Brandenburg--Congresses.
Radicalism--Germany--Brandenburg--History--20th century--Congresses.
Right-wing extremists--Germany--Brandenburg--History--20th century--Congresses.
Sachsenhausen (Concentration camp)--Congresses.
Princeton subject headings:
Collective memory--Germany.
Education--Political aspects--Germany.
Gedenkstätte und Museum Sachsenhausen.
Racism--Germany--Brandenburg.
Radicalism--Germany--Brandenburg.
Right-wing extremists--Germany--Brandenburg.