The orthography was invented in 1952 by a Sufi Sheikh, named Hussein Sheikh Ahmed Kaddare.
A phonetically robust writing system, the technical commissions that appraised the Kaddare alphabet concurred that it was the most accurate indigenous script and orthography for transcribing the Somali language.
- 'Kaddare alphabet' in Somali, at Omniglot
- Tosco, Mauro (University of Turin) (2010). "Somali Writings". Afrikanistik-Aegyptologie-Online. Retrieved 2023-04-07. [Covers Wadaad's writing, Osmanya, Gadabuursi, and Kaddare.]*Somali Language History and Vernaculars[permanent dead link]
- The report of the Somali Language Committee