In addition, the Institute hosted educational classes covering a wide range of subjects, and included a museum and science laboratory.[2] In 1889, he first published The Faith of Islam, which was concerned with dawah to Islam and its key principles.[7] Initially, 2000 copies were published, but a further 3000 copies were produced in 1890.[4] Quilliam also published The Crescent, a weekly account of Muslims in Britain, and Islamic World, a monthly publication with a worldwide audience.[4]