Columbia subject headings:
Authors, Spanish--19th century--Correspondence.
Authors, Spanish--20th century--Correspondence.
Maura, Antonio, 1853-1925--Correspondence.
Rodríguez Marín, Francisco, 1855-1943--Correspondence.
Harvard subject headings:
Authors, Spanish--19th century--Correspondence
Authors, Spanish--20th century--Correspondence
Maura, Antonio, 1853-1925--Correspondence.
Rodríguez Marín, Francisco, 1855-1943--Correspondence.
Princeton subject headings: