Columbia subject headings:
Contoux-Montalvo, Jean--Correspondence.
Lara, A. Darío--Correspondence.
Montalvo, Juan, 1832-1889.
Harvard subject headings:
Contoux-Montalvo, Jean--Correspondence.
Lara, A. Darío--Correspondence.
Montalvo, Juan, 1832-1889.
Princeton subject headings: