Vallader dialect (English Wikipedia)

Kotliarov, Ivan (2010). "The Elision of Unstressed Vowels Before the Latin Sequence /ka/ in Western Romance Languages". Folia Linguistica Historica. 44 (Historica vol. 31). doi:10.1515/flih.2010.004. S2CID 170455631.
Anderson, Stephen R. (2006). "Verb Second, Subject Clitics, and Impersonals in Surmiran (Rumantsch)". Proceedings of the Annual Meeting of the Berkeley Linguistics Society. 32 (1): 3–21. doi:10.3765/bls.v32i1.3435.

glottolog.org (Global: 2,032^nd place; English: 4,303^rd place)

Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (2022-05-24). "Romansh". Glottolog. Max Planck Institute for Evolutionary Anthropology. Archived from the original on 2022-10-07. Retrieved 2022-10-07.

"Vallader idiom of Romansh". IANA language subtag registry. 29 June 2010. Retrieved 15 October 2018.

Gross, Manfred (2004). Romanisch: Facts & Figures (PDF). Translated by Evans, Mike; Evans, Barbara. Chur: Lia Rumantscha. p. 31. ISBN 3-03900-037-3. Archived from the original (PDF) on 2013-11-04. Retrieved 2021-09-23.
Gross, Manfred (2004). Rumantsch: Facts & Figures (PDF). Translated by Evans, Mike; Evans, Barbara. Chur: Lia Rumantscha. p. 29. ISBN 3-03900-037-3. Archived from the original (PDF) on 2013-11-04. Retrieved 2021-09-23.

Anderson, Stephen R. (2006). "Verb Second, Subject Clitics, and Impersonals in Surmiran (Rumantsch)". Proceedings of the Annual Meeting of the Berkeley Linguistics Society. 32 (1): 3–21. doi:10.3765/bls.v32i1.3435.

Kotliarov, Ivan (2010). "The Elision of Unstressed Vowels Before the Latin Sequence /ka/ in Western Romance Languages". Folia Linguistica Historica. 44 (Historica vol. 31). doi:10.1515/flih.2010.004. S2CID 170455631.

Hack, Franziska Maria; Gaglia, Sascha (2009). "The Use of Subject Pronouns in Raeto-Romance: A Contrastive Study" (PDF). In Kaiser, Georg A.; Remberger, Eva-Maria (eds.). Proceedings of the Workshop "Null-Subjects, Expletives, and Locatives in Romance". Konstanz: Fachbereich Sprachwissenschaft, Universität Konstanz. pp. 157–181.

Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (2022-05-24). "Romansh". Glottolog. Max Planck Institute for Evolutionary Anthropology. Archived from the original on 2022-10-07. Retrieved 2022-10-07.
Gross, Manfred (2004). Romanisch: Facts & Figures (PDF). Translated by Evans, Mike; Evans, Barbara. Chur: Lia Rumantscha. p. 31. ISBN 3-03900-037-3. Archived from the original (PDF) on 2013-11-04. Retrieved 2021-09-23.
Gross, Manfred (2004). Rumantsch: Facts & Figures (PDF). Translated by Evans, Mike; Evans, Barbara. Chur: Lia Rumantscha. p. 29. ISBN 3-03900-037-3. Archived from the original (PDF) on 2013-11-04. Retrieved 2021-09-23.

Blanke, Huldrych (1963). "Die vierfache Bedeutung Durich Chiampells" [The fourfold meaning of Durich Chiampell]. Zwingliana (in German). 11 (10): 649–662.