Columbia subject headings:
Egypt--Civilization--638-1798--Sources.
Egypt--Civilization--638-1798.
Egypt--History--640-1250--Sources.
Egypt--History--640-1250.
Egypt--Religion--640-
Islam--Egypt--History.
Harvard subject headings:
Arabic language--Papyri.
Egypt--Civilization--638-1798--Sources.
Egypt--Civilization--638-1798.
Egypt--History--640-1250--Sources.
Egypt--History--640-1250.
Egypt--Religion--640-
Islam--Egypt--History
Nājid ibn Muslim, active 7th century--Correspondence.
Paleography, Arabic.
ʻAbd Allāh ibn Asʻad, active 7th century--Correspondence.
Princeton subject headings:
Egypt--Civilization--638-1798--Sources.
Egypt--Civilization--638-1798.
Egypt--History--640-1250--Sources.
Egypt--History--640-1250.
Egypt--Religion--640-
Islam--Egypt--History.