Columbia subject headings:
Church and state--United States--History.
Freedom of religion--United States--History.
Prayer in the public schools--United States--History.
Harvard subject headings:
Church and state--United States--History
Freedom of religion--United States--History
Prayer in the public schools--United States--History.
Princeton subject headings:
Church and state--United States--History.
Freedom of religion--United States--History.
Prayer in the public schools--United States--History.