Columbia subject headings:
French--United States--Biography--Dictionaries.
Labor movement--United States--Biography--Dictionaries.
Labor union members--United States--Dictionaries.
Social reformers--United States--Biography--Dictionaries.
Socialists--France--Biography--Dictionaries.
Socialists--United States--Biography--Dictionaries.
Harvard subject headings:
French Americans--Biography--Dictionaries.
Princeton subject headings: