Columbia subject headings:
Manskopf, Friedrich Nicolas, 1869-1928.
Music patronage--Germany--Frankfurt am Main--History.
Music patrons--Germany--Frankfurt am Main--Biography.
Music--Collectibles--Germany--Frankfurt am Main.
Harvard subject headings:
Manskopf, Friedrich Nicolas, 1869-1928.
Music patronage--Germany--Frankfurt am Main--History.
Music patrons--Germany--Frankfurt am Main--Biography.
Music--Collectibles--Germany--Frankfurt am Main.
Princeton subject headings: