Columbia subject headings:
Nelson, Steve, 1903-1993.
Subversive activities--United States.
Trials (Sedition)--United States.
Harvard subject headings:
Communists--United States--Biography
Nelson, Steve, 1903---Imprisonment.
Nelson, Steve, 1903---Trials, litigation, etc.
Radicalism--United States--20th century.
Princeton subject headings:
Communists--United States--Biography.
Nelson, Steve, 1903-1993--Imprisonment.
Nelson, Steve, 1903-1993--Trials, litigation, etc.
Radicalism--United States--20th century.