Aṭfiyās̲h̲ - Schacht, Joseph (Encyclopédie de l'Islam, 1960)
Keywords: Atfiyyash; Muhammad b. Yusuf (1821-1914); Biographies – Mzab – 19e siècle

Further Notes on the Staircase Minaret - Schacht, Joseph (Ars Orientalis, 1961)
Keywords: Architecture – Mzab