Columbia subject headings:
Kaplan, Idah, 1914-
Kaplan, Natan, 1949-1973.
Kaplan, Yosef, 1911-
World War, 1939-1945--Underground movements--Jews.
Harvard subject headings:
Kaplan, Idah, 1914-
Kaplan, Natan, 1949-1973.
Kaplan, Yosef, 1911-
World War, 1939-1945--Jewish resistance.
Princeton subject headings:
Kaplan, Idah, 1914-
Kaplan, Natan, 1949-1973.
Kaplan, Yosef, 1911-
World War, 1939-1945--Jewish resistance.