Columbia subject headings:
Astronomy--Periodicals.
Astrophysics--Periodicals.
Harvard subject headings:
Astronomy--Periodicals
Astrophysics--Periodicals
Princeton subject headings:
Astronomy--Periodicals.
Astronomy--Reviews--Periodicals.
Astrophysics--Periodicals.
Astrophysics--Reviews--Periodicals.
Periodicals.
Reviews.