Columbia subject headings:
Harvard subject headings:
Frederick II, King of Prussia, 1712-1786--Contemporaries--Dictionaries.
Prussia (Germany)--Biography--Dictionaries.
Prussia (Germany)--History--Frederick II, 1740-1786.
Statesmen--Germany--Prussia--Biography--Dictionaries.
Princeton subject headings:
Dictionaries.
Frederick II, King of Prussia, 1712-1786--Dictionaries.
Prussia (Germany)--Kings and rulers--Biography--Dictionaries.