Columbia subject headings:
Gorky, Maksim, 1868-1936--Criticism and interpretation.
Harvard subject headings:
Authors, Russian--20th century--Correspondence
Gorky, Maksim, 1868-1936--Influence.
Gorky, Maksim, 1868-1936. Correspondence
Russian literature--20th century--History and criticism
Socialist realism in literature.
Princeton subject headings:
Gorky, Maksim, 1868-1936--Criticism and interpretation.
Gorky, Maksim, 1868-1936--Influence.
Socialist realism.