Columbia subject headings:
Harvard subject headings:
Cohesion (Linguistics)--History--To 1500--Congresses.
Discourse analysis--History--To 1500--Congresses.
Focus (Linguistics)--History--To 1500--Congresses.
Logic diagrams--History--To 1500--Congresses.
Visual analytics--History--To 1500--Congresses.
Princeton subject headings:
Illumination of books and manuscripts, Medieval--Charts, diagrams, etc.--Congresses.