The Aga Khan Program for Islamic Architecture at Harvard University and at the Massachusetts Institute of Technology sponsors scholarly works on the history of Islamic art and architecture. Its major publication is Muqarnas: An Annual on the Visual Culture of the Islamic World. Muqarnas is a lively forum of discussion among scholars and students in the West and in the Islamic world. Subjects covered in its pages include the history of Islamic art and architecture up to the present, with attention devoted as well to aspects of Islamic culture, history, and learning. It is widely regarded as the foremost scholarly journal for historians of art and architecture who focus on the Islamic world. Textual primary sources for visual culture are published as Studies and Sources on Islamic Art and Architecture: Supplements to Muqarnas.