Columbia subject headings:
Anarchists--New York (State)--New York--20th century.
Anarchists--Spain--Correspondence.
González Malo, Jesús, 1913-1965--Correspondence.
Political refugees--New York (State)--New York--History--20th century.
Harvard subject headings:
Anarchists--New York (State)--New York--20th century.
Anarchists--Spain--Correspondence.
González Malo, Jesús, 1913-1965--Correspondence.
Political refugees--New York (State)--New York--History--20th century.
Princeton subject headings:
Anarchism--Spain--History--20th century.
Anarchists--New York (State)--New York--20th century.
Anarchists--Spain--Correspondence.
González Malo, Jesús, 1913-1965--Correspondence.
Political refugees--New York (State)--New York--History--20th century.