Columbia subject headings:
Histadrut "ha-Shomer ha-tsaʻir" be-Polanyah.
Kaplan, Joseph, 1913-1943.
Labor Zionists--Poland--Biography.
World War, 1939-1945--Jewish resistance--Poland.
Harvard subject headings:
Kaplan, Joseph, 1913-1943
Shomer ha-tsaʻir be-Polin (Organization)
Princeton subject headings:
Histadrut "ha-Shomer ha-tsaʻir" be-Polanyah.
Kaplan, Joseph, 1913-1943.
Labor Zionists--Poland--Biography.
World War, 1939-1945--Jewish resistance--Poland.