Columbia subject headings:
Harvard subject headings:
Homewood Retreat--History.
Homewood Retreat.
Psychiatric hospitals--Ontario--Guelph--History--19th century.
Psychiatry--Canada--History--19th century.
Princeton subject headings:
Homewood Retreat--History.
Psychiatric hospitals--Ontario--Guelph--History--19th century.
Psychiatry--Canada--History--19th century.