Imam Sanusi's famous work on theology: https://ia600805.us.archive.org/35/items/omdat.ahl.atawfik/sharh-alkoubra.pdf This was the work Nuh Keller misquoted in 'Iman, Kufr and Takfir'. If he were a true sufi he would rectify that misquotation and a host of other things.
