original_query: What were the languages that Herman Neubronner van der Tuuk specialized in?
query: What were the languages that Herman Neubronner van der Tuuk specialized in?
answer: Herman Neubronner van der Tuuk specialized in the languages of the Dutch East Indies, including Batak (specifically Toba Batak), Malay, Balinese, Old Javanese (Kawi), and Sundanese. He also had extensive knowledge of Arabic, Tamil, and Sanskrit.