"The research leading to this database has received funding from the European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013) / ERC grant agreement n°322849"
- Edited in al-Muhaḏḏab fī Fiqh al-Maḏhab al-Šāfiʻī on page
- Discussed in Encyclopaedia of Islam II Online on page <http://dx.doi.org/10.1163/1573-3912_islam_COM_1060>
- Edited in al-Muhaḏḏab fī Fiqh al-Maḏhab al-Šāfiʻī (2) on page
- Edited in Geschichte der arabischen Litteratur. Erster Su... on page 669, 708