Columbia subject headings:
Antoninus Pius, Emperor of Rome, 86-161.
Emperors--Rome--Biography.
Rome--History--Antoninus Pius, 138-161--Sources.
Harvard subject headings:
Antoninus Pius, Emperor of Rome, 86-161.
Emperors--Rome--Biography
Rome--History--Antoninus Pius, 138-161
Princeton subject headings:
Antoninus Pius, Emperor of Rome, 86-161.
Emperors--Rome--Biography.
Rome--History--Antoninus Pius, 138-161.