Columbia subject headings:
William II, German Emperor, 1859-1941.
William, Crown Prince of Germany, 1882-1951.
Harvard subject headings:
William II, German Emperor, 1859-1941
William, Crown Prince of Germany, 1882-1951
William, Crown Prince of Germany, 1882-1951.
Princeton subject headings:
William II, German Emperor, 1859-1941.
William, Crown Prince of Germany, 1882-1951.