This volume collects papers given at the Vienna conference (2009) of the International Society for Arabic Papyrology (ISAP), including editions of previously unpublished Coptic and Arabic documents, and historical and linguistic studies based on documentary evidence from Early Islamic Egypt.

Andreas Kaplony, Ph.D. (1994), Habilitation (2001), is professor of Arabic and Islamic Studies at Ludwig-Maximilians-Universität München. He has published widely on Arabic-Islamic history, including Fünfundzwanzig arabische Geschäftsdokumente vom Rotmeer-Hafen al-Quṣayr al-Qadīm (2014).
Daniel Potthast, Ph.D. (2011) teaches and does research at the Institute of Middle Eastern Studies at Ludwig-Maximilians-Universität München. His main interest lies in the history of Muslim-Christian contacts in the Middle Ages. He has published Christen und Muslime im Andalus: Andalusische Christen und ihre Literatur nach religionspolemischen Texten des zehnten bis zwölften Jahrhunderts (2013).
Cornelia Römer , Ph.D. (1979), Habilitation (1994), is a long-term lecturer of the German Academic Exchange Service at Ain Shams University and a freelance collaborator of the German Archaeological Institute in Cairo. The main areas of her research are Greek literary and documentary papyrology as well as the archaeology and history of Ptolemaic and Roman Egypt. Her most recent book is Commentaria et Lexica in Papyris Reperta, vol. 2,1 (2013).