Research topics below this in the hierarchy
- Philology. Linguistics
- Greek language and literature. Latin language and literature
- Modern languages. Celtic languages
- Romanic languages
- Germanic languages. Scandinavian languages
- English language
- West Germanic languages
- Slavic languages. Baltic languages. Albanian language
- Uralic languages. Basque language
- Oriental languages and literatures
- Indo-Iranian languages and literatures
- Languages and literatures of Eastern Asia, Africa, Oceania
- Hyperborean, Indian, and artificial languages
- Literature (General)
- French literature - Italian literature - Spanish literature - Portuguese literature
- English literature
- American literature
- Fiction and juvenile belles lettres
- German literature - Dutch literature - Flemish literature since 1830 - Afrikaans literature - Scandinavian literature - Old Norse literature: Old Icelandic and Old Norwegian - Modern Icelandic literature - Faroese literature - Danish literature - Norwegian literature - Swedish literature