Columbia subject headings:
Langinger, Herman.
Music--20th century.
Music--United States--History and criticism.
Schmitz, E. Robert (Elie Robert), 1889-1949.
Harvard subject headings:
Langinger, Herman.
Music--United States--20th century--History and criticism
Schmitz, E. Robert (Elie Robert), 1889-1949.
Princeton subject headings:
Langinger, Herman.
Music--United States--20th century--History and criticism.
Schmitz, E. Robert (Elie Robert), 1889-1949.