ENGL 350 Linguistics and Language Learning: An introduction to the study of language with an emphasis on language as a human system, including language acquisition, the cognitive and social significance of language, language change and variation, phonology, morphology, syntax, semantics, discourse analysis, historical linguistics, and psycholinguistics.
You may always go to the second level of the library and browse the non-fiction collection. You may find useful information using the following Library of Congress Classifications:
P101-410 Language. Linguistic theory. Comparative grammar
P118-118.75 Language acquisition
P121-149 Science of language (Linguistics)
P201-299 Comparative grammar
P301-301.5 Style. Composition. Rhetoric
P302-302.87 Discourse analysis
P306-310 Translating and interpreting
P321-324.5 Etymology
P325-325.5 Semantics
P326-326.5 Lexicology
P327-327.5 Lexicography
P375-381 Linguistic geography