BIBLIOGRAPHY CONTRIBUTOR P. Bearman First name P. Last name Bearman Bibliography entries by this contributor King, David, P. Bearman, Th. Bianquis, C.E. Bosworth, E. van Donzel, and W.P. Heinrichs. 1995. “Rubʿ [Quadrant]”. In Encyclopaedia Of Islam, New Edition, 2nd ed., 8:574-575. Leiden: E. J. Brill.