Columbia subject headings:
Harvard subject headings:
Chemical warfare--Fiction.
Chemists--Germany.
Haber, Fritz, 1868-1934--Fiction.
Jewish scientists--Germany--Fiction.
Jews--Germany--Fiction.
Princeton subject headings:
Chemists--Germany--Fiction.
Fiction.
Haber, Fritz, 1868-1934--Fiction.
Jews--Germany--History--20th century--Fiction.