Columbia subject headings:
Infomediaries--Europe--Influence--History--To 1500.
Information behavior--Europe--History--To 1500.
Information resources--Europe--History--To 1500.
Knowledge, Sociology of--History--To 1500.
Specialists--Europe--History and criticism--To 1500.
Specialists--Europe--Influence--History--To 1500.
Harvard subject headings:
Europe--Intellectual life.
Expertise--History--To 1500.
Infomediaries--Europe--Influence--History--To 1500--Congresses.
Information behavior--Europe--History--To 1500--Congresses.
Information behavior--Europe--History--To 1500.
Information resources--Europe--History--To 1500--Congresses.
Information resources--Europe--History--To 1500.
Knowledge, Sociology of--History--To 1500--Congresses.
Knowledge, Sociology of--History--To 1500.
Specialists--Europe--History and criticism--To 1500--Congresses.
Specialists--Europe--History--To 1500.
Specialists--Europe--Influence--History--To 1500--Congresses.
Princeton subject headings: