https://www.orient-institut.org/research/current-projects/the-abc-of-abu-bakr-al-shanawani-d-1610-arabic-letter-semiotics-on-the-threshold-of-modern-times-berenike-metzler.html
The ABC of Abū Bakr al-Shanawānī (d. 1610). Arabic letter semiotics on the threshold of modern...
A German academic research institute of the Max Weber Foundation
the abcarabic letteralsemioticsthreshold