Columbia subject headings:
Harvard subject headings:
Karl Eduard, Duke of Saxe-Coburg-Gotha, 1884-1954
Nobility--Germany--Saxe-Coburg-Gotha--Biography.
Princeton subject headings:
Karl Eduard, Duke of Saxe-Coburg-Gotha, 1884-1954.
Princes--Germany--Biography.
Princes--Great Britain--Biography.