WITNESS

Sullam al-samāʾ fī ḥall al-ishkāl waqaʿa li-mutaqaddimīn fī al-ābʿād wa-al-ajrām _London_British Library_IO Islamic_622

References

Loth, Otto. 1877. A Catalogue Of Arabic Manuscripts In The Library Of The India Office. Vol. 1. London: Stephen Austin and Sons.

P. 219 (no. 755).