Columbia subject headings:
Léonard, Hubert, 1819-1890.
Marteau, Henri, 1874-1934.
Violinists--Biography.
Harvard subject headings:
Léonard, Hubert, 1819-1890.
Marteau, Henri, 1874-1934
Violinists--Biography
Princeton subject headings:
Léonard, Hubert, 1819-1890.
Marteau, Henri, 1874-1934.
Violinists--Biography.