Columbia subject headings:
Harvard subject headings:
Darío, Rubén, 1867-1916--Criticism and interpretation.
Jiménez, Juan Ramón, 1881-1958--Criticism and interpretation.
Machado, Antonio, 1875-1939--Criticism and interpretation.
Machado, Manuel, 1874-1947--Criticism and interpretation.
Modernism (Literature)--Nicaragua.
Modernism (Literature)--Spain
Nicaraguan poetry--20th century--History and criticism.
Spanish poetry--20th century--History and criticism
Princeton subject headings:
Spanish poetry--20th century--Bio-bibliography.
Spanish poetry--20th century--History and criticism.