Columbia subject headings:
Hammer, Gottlieb, 1911-
Israel and the diaspora.
Jews--United States--Charities.
Jews--United States--Politics and government.
Zionists--United States--Biography.
Harvard subject headings:
Hammer, Gottlieb, 1911-
Israel and the diaspora.
Jews--United States--Charities.
Jews--United States--Politics and government.
Zionists--United States--Biography
Princeton subject headings:
Hammer, Gottlieb, 1911-
Israel and the diaspora.
Jews--United States--Charities.
Jews--United States--Politics and government.
Zionists--United States--Biography.