Columbia subject headings:
Anarchism--United States--History--19th century.
Anarchists--United States--Biography.
Free love--United States--History--19th century.
Heywood, Ezra H. (Ezra Hervey), 1829-1893.
Harvard subject headings:
Anarchism--United States--History--19th century.
Anarchists--United States--Biography
Free love--United States--History--19th century.
Heywood, Ezra H. (Ezra Hervey), 1829-1893
Princeton subject headings:
Anarchism--United States--History--19th century.
Anarchists--United States--Biography.
Free love--United States--History--19th century.
Heywood, Ezra H. (Ezra Hervey), 1829-1893.