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"Ancient Cylinder Seals". Johns Hopkins Archaeological Museum. Johns Hopkins University. Diarsipkan dari versi asli tanggal 2019-06-30. Diakses tanggal June 12, 2019.
"Ancient Cylinder Seals". Johns Hopkins Archaeological Museum. Johns Hopkins University. Diarsipkan dari versi asli tanggal 2019-06-30. Diakses tanggal June 12, 2019.