Columbia subject headings:
Authors, Kyrgyz--20th century--Biography.
Authors, Russian--20th century--Biography.
Authors, Russian--Kyrgyzstan--Biography.
Udalov, Nikolaĭ--Friends and associates.
Harvard subject headings:
Authors, Kyrgyz--20th century--Biography.
Authors, Russian--20th century--Biography
Authors, Russian--Kyrgyzstan--Biography.
Udalov, Nikolaĭ--Friends and associates.
Princeton subject headings:
Authors, Kyrgyz--20th century--Biography.
Authors, Russian--20th century--Biography.
Authors, Russian--Kyrgyzstan--Biography.
Udalov, Nikolaĭ--Friends and associates.