Sources on Jewish Communities in this section:

Kriwitschi  Krivichi [Rus], Krzywicze [Pol], Krivitch [Yid], Kryvičy [Bel], Krivitsh, Krzywcze, Kshivche, Kryvitsh, Krevitsh

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-1944944 JewishGen Locality Page

http://www.jewishgen.org/Yizkor/Krzywicze/Krzywicze.html Yizkor Book

http://kehilalinks.jewishgen.org/krivichi/index.html KehilaLink

Kurenjetz  Kurenets [Rus], Kurzeniec [Pol], Kornitz [Yid], Kuraniec [Bel], Korenetz, Kuzhenets, Kuranec

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-1945123 JewishGen Locality Page

http://www.jewishgen.org/Yizkor/kurenets/kurenets.html Yizkor Book

http://kehilalinks.jewishgen.org/kurenets/kurenets.html KehilaLink

Niwki  Nivki [Rus], Niwki [Pol], Nika [Yid], Niuki [Bel]

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-1946823 JewishGen Locality Page