Columbia subject headings:
Harvard subject headings:
Conference papers and proceedings.
Men's choirs--Germany--Berlin--History--19th century--Congresses.
Men's choral societies--Germany--Berlin--History--19th century--Congresses.
Zeltersche Liedertafel (Berlin, Germany)--History--19th century--Congresses.
Princeton subject headings:
Men's choirs--Germany--Berlin--History--19th century--Congresses.
Men's choral societies--Germany--Berlin--History--19th century--Congresses.
Zeltersche Liedertafel--History--19th century--Congresses.