Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas

World Oral Literature Project . http://www.oralliterature.org

The Red Book of the Peoples of the Russian Empire . (1993) · edited by Andrew Humphreys and Krista Mits · http://www.eki.ee/books/redbook

Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press

The future of the shahdagh languages. ( pp. 33-45 ) . John M. Clifton (2009) · International Journal of the Sociology of Language. 2009 edited by Joshua A. Fishman and Ofelia Garcia Otheguy · De Gruyter http://www.degruyter.com.eres.library.manoa.hawaii.edu/view/j/ijsl.2009.2009.issue-198/ijsl.2009.025/ijsl.2009.025.xml

Description du Kryz: Langue caucasique du nord-est parlée en Azerbaıdjan (dialecte d'Alik); Grammaire et textes de littérature orale . Authier, Gilles (2009) · In Grammaire Kryz: Langue Caucasique d'Azerbaidjan, Dialecte d'Alik http://www.digitorient.com/wp/wp-content/uploads/2009/12/AUTHIERKryzGrammarUncorrectedproofs.pdf

The Sociolinguistic Situation of the Kryz in Azerbaijan ( pp. 57-70 ) . John M. Clifton and Janfer Mak and Gabriela Deckinga and Laura Lucht and Calvin Tiessen (2005) · In Studies in languages of Azerbaijan, vol. 1 Institute of International Relations, Academy of Sciences of Azerbaijan and North Eurasian Group, SIL International http://www.sil.org/resources/archives/9143

Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

Kryts ( pp. 407-446 ) . Saadiev, S. M. (1994) · In The Indigenous Languages of the Caucasus 4 edited by Smeets, Rieks · Caravan Books