* {{en}} [http://www.let.uu.nl/~martin.vanbruinessen/personal/publications/Jumadil_Kubral.htm/ Najmuddin al-Kubra, Jumadil Kubra and Jamaluddin al-Akbar: Traces of Kubrawiyya influence in early Indonesian Islam] Online publication of Martin van Bruinessen, by Universiteit Utrecht
* {{id}} [http://www.republika.co.id/suplemen/cetak_detail.asp?mid=5&id=245607&kat_id=105&kat_id1=147&kat_id2=185/ Syekh Hasanuddin: Pendiri Pesantren Pertama di Jawa Barat] Republika Online: Jumat, 28 April 2006