Sayajirao University of Baroda, 2009 Introduction to Sufi Doctrine, p.3, TitusBurckhardt, Kazi Publications, ISBN 978-1-56744-217-5, 1976 Sufism, Sufis, and
to present. Athens, Greece. 1947: 21–22. A picture can be found in TitusBurckhardt, Art of Islam, under the chapter on the Rum seljuks. Alfred Znamierowski
全球最美的100人類奇觀/國家地理系列編委會:《全球最美的100人類奇觀》,2008,長春,吉林出版集團,ISBN 978-7-80762-507-0 外文书籍 Burckhardt, Titus. Chartres and the birth of the cathedral. Bloomington: World Wisdom