Language history (comparative linguistics, etymology) (Contact linguistics, Linguistic variation, Perceptual dialectology), Danish lexicography (dictionaries) (Documentary lexicography), Dialect (Contact languages, Danish in Jutland, The Anglophone Caribbean), Empires and colonies (Danish West Indies, US Virgin Islands), History of the Danish language
Language history (comparative linguistics, etymology), Danish dialects, Danish lexicography (dictionaries), Danish phonetics and phonology (sound system), Dialect, German, Dutch, Frisian and Yiddish, History of the Danish language, Language Politics and Language Pedagogics, Language Use (text and conversation), Sociolects (child language, language of adolescents, immigrants, specialised language etc)