Columbia subject headings:
Local government--Germany--Prussia--History--19th century--Congresses.
Local government--Germany--Prussia--History--20th century--Congresses.
Prussia (Germany)--Officials and employees--History--19th century--Congresses.
Prussia (Germany)--Officials and employees--History--20th century--Congresses.
Prussia (Germany)--Politics and government--1815-1870--Congresses.
Prussia (Germany)--Politics and government--1870-1947--Congresses.
Harvard subject headings:
Local government--Germany--Prussia--History--19th century--Congresses.
Local government--Germany--Prussia--History--20th century--Congresses.
Prussia (Germany)--Officials and employees--History--19th century--Congresses.
Prussia (Germany)--Officials and employees--History--20th century--Congresses.
Prussia (Germany)--Politics and government--1815-1870--Congresses.
Prussia (Germany)--Politics and government--1870-1947--Congresses.
Princeton subject headings:
Prussia (Germany)--Biography.
Prussia (Germany)--Politics and government.