Columbia subject headings:
I︠A︡zykov, N. M. (Nikolaĭ Mikhaĭlovich), 1803-1846.
Harvard subject headings:
I︠A︡zykov, N. M. (Nikolaĭ Mikhaĭlovich), 1803-1846--Friends and associates.
I︠A︡zykov, N. M. (Nikolaĭ Mikhaĭlovich), 1803-1846.
Princeton subject headings: