Columbia subject headings:
Philology--History--17th century--Congresses.
Philology--History--Congresses.
Philosophy--History--17th century--Congresses.
Harvard subject headings:
Philology--History--17th century--Congresses.
Philology--History--Congresses.
Philosophy--History--17th century--Congresses.
Princeton subject headings:
Philology--History--17th century--Congresses.
Philosophy--History--17th century--Congresses.