Columbia subject headings:
Professions--Sociological aspects.
Social reformers.
Harvard subject headings:
City planners--United States.
Medical personnel--United States
Professions--Sociological aspects.
Professions--United States--Sociological aspects.
Social change.
Social movements--United States
Social reformers
Social reformers--United States
Princeton subject headings:
Professions--Sociological aspects.
Social change.
Social reformers.