Columbia subject headings:
Brecht, Bertolt, 1898-1956.
Lessing, Gotthold Ephraim, 1729-1781.
Harvard subject headings:
Brecht, Bertolt, 1898-1956
Lessing, Gotthold Ephraim, 1729-1781.
Princeton subject headings:
Brecht, Bertolt, 1898-1956.
Lessing, Gotthold Ephraim, 1729-1781.