Pilgrims' progress: The travelers of Islam: Muslim Travellers: Pilgrimage, Migration, and the Religious Imagination, edited by D. F. Eickelman and J. Piscatori. University of California Press (2223 Fulton Street, Berkeley CA 94720, USA) ISBN 0-520-0701-4,

Kessler, C. S. (1992). Pilgrims’ progress: The travelers of Islam: Muslim Travellers: Pilgrimage, Migration, and the Religious Imagination, edited by D. F. Eickelman and J. Piscatori. University of California Press (2223 Fulton Street, Berkeley CA 94720, USA) ISBN 0-520-0701-4,. Annals of Tourism Research, 19(1), 147–153. Retrieved from http://www.sciencedirect.com/science/article/pii/016073839290120E