Columbia subject headings:
French Americans--Politics and government.
Immigrants--Political activity--United States.
Radicalism--United States--History--19th century.
Socialism--United States--History--19th century.
Utopias--United States--History--19th century.
Harvard subject headings:
Cabet,  Étienne, 1788-1856.
France--Politics and government--1830-1848.
Icarian movement--France--History--19th century.
Icarian movement--United States--History--19th century.
Utopian socialism--France--History--19th century.
Princeton subject headings:
Cabet, Étienne, 1788-1856.
France--Politics and government--1830-1848.
Icarian movement--France--History--19th century.
Icarian movement--United States--History--19th century.
Utopian socialism--France--History--19th century.