- Mentioned in Geschichte der arabischen Litteratur, Band 1 on page 435
- Mentioned in Geschichte der arabischen Litteratur. Erster Su... on page 778
- Discussed in Encyclopaedia of Islam II Online on page http://referenceworks.brillonline.com/entries/encyclopaedia-of-islam-2/abd-al-kadir-al-djilani-SIM_0095