Columbia subject headings:
Gippius, Z. N. (Zinaida Nikolaevna), 1869-1945. Diaries.
Harvard subject headings:
Gippius, Z. N. (Zinaida Nikolaevna), 1869-1945--Diaries.
Princeton subject headings:
Diaries.
Gippius, Z. N. (Zinaida Nikolaevna), 1869-1945. Diaries.