 Complete the following phrase:  From 1840 to 1848, Long taught at the school for non-Christian students run by the CMS at its premises located on Amherst Street. Returning to India a married man in 1848, he was placed in charge of the CMS mission in Thakurpukur, at the time a hamlet a days journey out of Calcutta in the Bengal Presidency. By 1851, Long had set up a vernacular school for boys in Thakurpukur, while his wife Emily ran a corresponding school for girls. In an 1854 letter to F. J. Halliday of the Council of Education, he boasts a roll-call of about 100 boys, Hindu, Mussulman, and Christians. His work Bengali Proverbs 1851 has been called a significant addition to Bengali literature. He studied Bengali proverbs and folk literature for another two decades, publishing A Catalogue of Bengali Newspapers and Periodicals from 1818 to 1855 1855, and the Descriptive Catalogue of Vernacular Books and Pamphlets which was forwarded by the Government of India to the 