Columbia subject headings:
Authors, Ecuadorian--19th century--Correspondence.
Montalvo, Juan, 1832-1889--Correspondence.
Harvard subject headings:
Authors, Ecuadorian--19th century--Correspondence.
Montalvo, Juan, 1832-1889--Correspondence.
Princeton subject headings:
Authors, Ecuadorian--19th century--Correspondence.
Montalvo, Juan, 1832-1889--Correspondence.