Columbia subject headings:
Harvard subject headings:
Age--Europe--History--Congresses.
Aging in literature--Congresses.
Aging--Europe--History--Congresses.
Aging--Social aspects--Europe--History--Congresses.
Geriatrics--History--Congresses.
Gerontology--History--Congresses.
Old age in literature--Congresses.
Older people--Europe--History--Congresses.
Social history--Medieval, 500-1500--Congresss.
Princeton subject headings:
Aging in literature--Congresses.
Aging--Social aspects--Europe--History--Congresses.
Geriatrics--History--Congresses.
Gerontology--History--Congresses.
Old age in literature--Congresses.
Older people--Europe--History--Congresses.
Social history--Medieval, 500-1500--Congresss.