1. AIMS Baraki Barak 2004 – AIMS Baraki Barak District Map. 2004. URL: https://web. archive.org/web/ 20070929100240/http://www.aims.org.af/maps/district/logar/baraki_barak.pdf
2. AIMS Nijrab 2004 – AIMS Nijrab District Map. 2004. URL: https://web.archive.org/
3. web/20110615060550/http://www.aims.org.af/maps/district/kapisa/nijrab.pdf
4. AKYa 2006 – Koryakov Yu. B. Аtlas kavkazskikh yazykov (Atlas of Caucasian Languages).
5. Moscow: Institut yazykoznaniya RАN (Institute of Linguistics of the Russian Academy of Sciences), 2006. 76 s., maps. (In Russ.)