Linked from
The 5 pages that link to Ali al-Rida, each with the reason it gives.
MashhadRelated: His tomb became the sacred focus around which Mashhad developed.
Musa al-KazimBroader topic: He succeeded Musa in the Twelver line of Imams.
Muhammad al-JawadRelated: His death in 818 made his young son the next Imam.
Fatima bint MusaRelated: Her journey to join him is central to accounts of her final years.