Most of these links will take you to the catalog record for a book, from which you can determine its location (ususally in the reference collection on the first floor)
Literature of Spain, PQ 6000-PQ 7000
Literature of Spanish America, PQ 7081-8560
PQ7100- Mexico,
PQ7361- West Indies
PQ7370- Cuba
PQ7400- Dominican Republic,
PQ7420- PQ7410 Jamaica,
Puerto Rico,
PQ7471- Central America, (General)
PQ7480- Costa Rica
PQ7490- Guatemala
PQ7500 Honduras
PQ7510- Nicaragua
PQ7520- Panama
PQ7530- El Salvador,
PQ7551- South America,
PQ7660- Argentina,
PQ7880- Bolivia,
PQ7880- Brazil (Spanish language literature in),
PQ7990- Chile,
PQ8160- Colombia,
PQ8200- Ecuador,
PQ8230- Guiana,
PQ8250 Paraguay, -
PQ8300 Peru,PQ8510- Uruguay,
PQ8530- Venezuela,Spanish American authors not identified with any country, PQ8560