Kohlberg 2012b. Kohlberg, E. (2012b). "al-Rāfiḍa". In Bearman, P.; Bianquis, Th.; Bosworth, C.E.; van Donzel, E.; Heinrichs, W.P. (eds.). Encyclopaedia of Islam (Second ed.). ISBN9789004161214.
Esposito 2022. Esposito, J. L., ed. (2022). "Zaynab". The Islamic World: Past and Present. Oxford Reference. Oxford University Press. ISBN9780197669471.