Columbia subject headings:
Moutsopoulos, E., 1930---Congresses.
Philosophy, Greek (Modern)--20th century--Congresses.
Philosophy, Greek (Modern)--21st century--Congresses.
Harvard subject headings:
Moutsopoulos, E., 1930-
Philosophy, Greek (Modern)--20th century.
Philosophy, Greek (Modern)--21st century.
Princeton subject headings:
Moutsopoulos, E., 1930---Congresses.
Philosophy, Greek (Modern)--20th century--Congresses.
Philosophy, Greek (Modern)--21st century--Congresses.