Language history (comparative linguistics, etymology), Danish dialects, Danish morphology (word formation adn inflection), Danish phonetics and phonology (sound system), Danish pragmatics (language use), Danish syntax sentence structure, Dansk semantics (meaning), Dialect, English dialects, English morphology, English phonetics and phonology, English pragmatics (word use), English semantics, English syntax, French syntax, Generative linguistics, German dialects, German morphology, German phonetics and phonology, German syntax, History of the Danish language, History of the english language, Morphology, Phonetics and phonology, Syntax, Yiddish (Yiddish syntax)
Language history (comparative linguistics, etymology), Attitudes to language, Corpus linguistics, Dialect, English as a world language, English dialects, English etymology and lexichology, English morphology, English syntax, Generative linguistics, Language norms (orthography), Pragmatic linguistics (Historical Pragmatics), Specialised language research (The Paston Family), Syntax, Text typology (genre theory) (Personal Letters), Varieties of English outside the British Isles