Columbia subject headings:
Endocrinology--Congresses.
Fraenkel, Gottfried S. (Gottfried Samuel), 1901-1984--Congresses.
Insects--Food--Congresses.
Insects--Physiology--Congresses.
Harvard subject headings:
Princeton subject headings:
Endocrinology--Congresses.
Fraenkel, Gottfried S. (Gottfried Samuel), 1901-1984--Congresses.
Insects--Food--Congresses.
Insects--Physiology--Congresses.