Ladewig Petersen, E. “C. F. Petry: The Civilian Elite of Cairo in the Later Middle Ages. Princeton (New Jersey) University Press, 1982. Xxiv + 476 s., Ill. $ 45.00”. Historisk Tidsskrift, bd. 14, januar 1983, https://tidsskrift.dk/historisktidsskrift/article/view/52608.