Columbia subject headings:
Frederick II, King of Prussia, 1712-1786--Portraits.
Germany--Kings and rulers--Biography.
Menzel, Adolph, 1815-1905--Criticism and interpretation.
Prussia (Germany)--Kings and rulers--Biography.
William I, German Emperor, 1797-1888--Portraits.
Harvard subject headings:
Frederick II, King of Prussia, 1712-1786--Portraits.
Germany--History--William I, 1871-1888--Pictorial works.
Germany--Kings and rulers--Biography.
History in art.
Menzel, Adolph, 1815-1905--Criticism and interpretation.
Menzel, Adolph, 1815-1905--Themes, motives.
Prussia (Germany)--History--Frederick II, 1740-1786--Pictorial works.
Prussia (Germany)--History--William I, 1861-1888--Pictorial works.
Prussia (Germany)--Kings and rulers--Biography.
William I, German Emperor, 1797-1888--Portraits.
Princeton subject headings:
Frederick II, King of Prussia, 1712-1786--Portraits.
Germany--Kings and rulers--Biography.
Menzel, Adolph, 1815-1905--Criticism and interpretation.
Prussia (Germany)--Kings and rulers--Biography.
William I, German Emperor, 1797-1888--Portraits.