Columbia subject headings:
Harvard subject headings:
Mackay, John.
Mariátegui, José Carlos, 1894-1930--Criticism and interpretation.
Mariátegui, José Carlos, 1894-1930--Friends and associates.
Princeton subject headings:
Mackay, John Alexander, 1889-1983.
Mariátegui, José Carlos, 1894-1930--Friends and associates.