P1-1091 Philology. Linguistics.
- P1-85 General
- P87-96 Mass Media
- P95-95.6 Speech
- P99-99.4 Semiotics
- P99.5-99.6 Nonverbal Communication
- P101-410 Linguistic Theory. Comparative Grammar
- P118-118.75 Language acquisition
- P302-302.87 Discourse analysis
- P306-310 Translating
- P321-324.5 Etymology
- P325-325.5 Semantics