Library of Congress call numbers arrange books by topic. Below are some call number ranges that cover Spanish, Portuguese, and Latin American history, languages and cultures.
Spanish History
DP1-402
Portuguese History
DP501-900.22
Latin American History
F1201-3799
Catalán
PC3801-3976
Spanish Language
PC4001-4977
Portuguese Language
PC5001-5498
Indigenous Languages of the Americas
PM3001-7356
Spanish and Spanish American Literature
PQ6001-8929
Portuguese and Brazilian Literature
PQ9000-9999
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