Ingo Strauch, Foreign Sailors on Socotra. The inscriptions and drawings from the cave Hoq, Verlgeichende Studien zu Antike und Orient, no. 3, Hempen Verlag, 2012, Bremen
Christie Osmund Bopearachchi. Ingo Strauch, Foreign Sailors on Socotra. The inscriptions and drawings from the cave Hoq, Verlgeichende Studien zu Antike und Orient, no. 3, Hempen Verlag, 2012, Bremen. 2014, pp.875-879. ⟨halshs-01630413⟩