Columbia subject headings:
Harvard subject headings:
Gippius, Z. N. (Zinaida Nikolaevna), 1869-1945. Correspondence
Poets, Russian--20th century--Correspondence
Princeton subject headings:
Gippius, Z. N. (Zinaida Nikolaevna), 1869-1945. Correspondence.
Poets, Russian--20th century--Correspondence.