Columbia subject headings:
Erikson, Erik H. (Erik Homburger), 1902-1994--Congresses.
Psychohistory--Congresses.
Harvard subject headings:
Erikson, Erik H. (Erik Homburger), 1902-1994--Congresses.
Psychohistory--Congresses.
Princeton subject headings:
Erikson, Erik H. (Erik Homburger), 1902---Congresses.
Psychohistory--Congresses.