Everett K. Rowson und Alex V. Popovkin: The History of Al-Tabari, Volume 40: Index: 60 (SUNY Series in Near Eastern Studies). State Univ. of New York. 2007 (eingeschränkte Vorschau in der Google-Buchsuche: “al-Tawwabun (Penitents, Repenters) XX:80-97, 124-59, 162, 182-89; XXI:2, 45; XXXIX:53, 138, 274”)