Columbia subject headings:
Harvard subject headings:
Concerts--Great Britain--History--20th century.
Furtwängler, Wilhelm, 1886-1954
Furtwängler, Wilhelm, 1886-1954--Discography.
Opera--England--London--20th century.
Royal Opera House (London, England)
Princeton subject headings:
Concerts--Great Britain--20th century.
Furtwängler, Wilhelm, 1886-1954--Discography.
Furtwängler, Wilhelm, 1886-1954.
Opera--England--London--20th century.
Royal Opera House (London, England)