Columbia subject headings:
Cool stars--Congresses.
Solar magnetic fields--Congresses.
Stars--Congresses.
Stars--Magnetic fields--Congresses.
Wilson, Olin, C., 1909-1994.
Harvard subject headings:
Cool stars--Congresses.
Stars--Congresses
Stars--Magnetic fields--Congresses.
Sun--Congresses.
Princeton subject headings:
Cool stars--Congresses.
Solar magnetic fields--Congresses.
Stars--Magnetic fields--Congresses.