Columbia subject headings:
Charities--Illinois--Chicago--History--19th century.
Charities--Illinois--Chicago--History--20th century.
Harvard subject headings:
Charities--Illinois--Chicago--History--19th century.
Charities--Illinois--Chicago--History--20th century.
Princeton subject headings:
Charities--Illinois--Chicago--History--19th century.
Charities--Illionis--Chicago--History--20th century.