teuku iskandar later returned to leiden to give lecture. at his alma mater (leiden university), he became a professor for acehnese and malay literature, and also gave special classes in the acehnese language. as a acehnese lover, he also continues to produce his works related to aceh including the catalog of acehnese manuscripts compiled with voorhoeve, two large volumes of the catalog of malay, minangkabau and south sumatra, and manuscripts in the netherlands.