Look at the Stacks Map for directions.
Spanish Language PC 4001 - PQ 4977
Portuguese Language PC 5001 - PQ 5498
Philology. Linguistics P 1 - P 1091*
*This includes general, computational linguistics, linguistic theory, semantics, lexicology, comparative grammar, etc.
Still didn't find what you need? Visit the Library of Congress Classification outline site for more details on call number ranges.