found: Xorto. Siverek'te bir gece vakti, 1989.
found: Hushamatean Seweraki, 1971:p. 18 (Sewerak; Sewerēk)
found: Gaz. of Turkey, 1984(Siverek; ppl; 37°45ʹN, 39°19ʹE; TU63 [i.e. in Urfa prov.])
found: Todd, Terry Lynn. A grammar of Dimili, also known as Zaza, 2002:passim. (Soyreg)
found: Çınar, H. Lîstikên zarokan yên Kurd, 2005:p. 96, etc. (Siwêrek)
found: Koyo Berz. Namdarê Sêwregi, 1995-
found: Dağlı, F. Welatê me, 2003:p. 345 (Siwêreg (Siverek))
found: GNS, 29 July 2022:(Siverek, ppla2; 37°45ʹ18ʺN, 39°19ʹ00ʺE; in Şanlıurfa [Urfa] province; cross references: Severek; Suverek)