Columbia subject headings:
Ball, Hugo, 1886-1927.
Ball-Hennings, Emmy, 1885-1948.
Dadaism--Germany--Biography.
Poets, German--20th century--Biography.
Harvard subject headings:
Ball, Hugo, 1886-1927.
Ball-Hennings, Emmy, 1885-1948
Dadaism--Germany--Biography.
Poets, German--20th century--Biography.
Princeton subject headings:
Ball, Hugo, 1886-1927.
Ball-Hennings, Emmy, 1885-1948.
Dadaism--Germany--Biography.
Poets, German--20th century--Biography.