Columbia subject headings:
Harvard subject headings:
Curriculum planning--United States--History--19th century.
Curriculum planning--United States--History--20th century.
Dewey, John, 1859-1952
Education--United States--Curricula--History--19th century.
Education--United States--Curricula--History--20th century.
Princeton subject headings:
Curriculum planning--United States--History--19th century.
Curriculum planning--United States--History--20th century.
Dewey, John, 1859-1952.
Education--Curricula--United States--History--20th century.
Education--United States--Curricula--History--19th century.