Columbia subject headings:
Harvard subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921--Political and social views.
Gorky, Maksim, 1868-1936--Political and social views.
Mayakovsky, Vladimir, 1893-1930--Political and social views.
Russian literature--20th century--History and criticism
Princeton subject headings:
Blok, Aleksandr Aleksandrovich, 1880-1921--Political and social views.
Gorky, Maksim, 1868-1936--Political and social views.
Mayakovsky, Vladimir, 1893-1930--Political and social views.
Russian literature--20th century--History and criticism.