Columbia subject headings:
Harvard subject headings:
Biographies.
Christian sociology--United States--History.
Church and social problems--United States--History.
Labor--Religious aspects--Christianity--United States--History.
Ward, Harry Frederick, 1873-1966.
Princeton subject headings:
Christian sociology--United States--History.
Church and social problems--United States--History.
Labor--Religious aspects--Christianity--United States--History.
Ward, Harry Fredrick, 1873-1966.