Muhammad Mansuruddin
He started collecting the folklore and folk songs from 1930 and compiled those under the name of Haramoni (Lost gems). Haramoni was published in regular section of monthly literary magazine Probashi. The full book consists of 13 parts. In 1948, he published collection of songs of Lalon under the name of Lalon Fakir-er Gaan (Songs of Lalan Fakir). After that, his Lalan Geetika was published. English translation of these books were published in 1974.