Columbia subject headings:
Arabic alphabet--History.
Paleography, Arabic.
Harvard subject headings:
Inscriptions, Semitic--Arabian Peninsula.
Inscriptions, Semitic--Oman.
Paleography, Semitic--Arabian Peninsula.
Paleography, Semitic--Oman.
Princeton subject headings:
Inscriptions, Semitic--Arabian Peninsula.
Inscriptions, Semitic--Oman.
Paleography, Semitic--Arabian Peninsula.
Paleography, Semitic--Oman.