Columbia subject headings:
O'Connor, Harvey, 1897-1987.
O'Connor, Jessie Lloyd, 1904-
Radicals--United States--Biography.
Working class--United States--Biography.
Harvard subject headings:
O'Connor, Harvey, 1897-1987.
O'Connor, Jessie Lloyd, 1904-
Radicals--United States--Biography.
Working class--United States--Biography
Princeton subject headings:
O'Connor, Harvey, 1897-1987.
O'Connor, Jessie Lloyd, 1904-
Radicals--United States--Biography.
Working class--United States--Biography.