Sources on Jewish Communities in this section:

Kletzk  Klyetsk [Bel], Kletsk [Rus], Kleck [Pol], Kletzk [Yid], Klezk, Klecak

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-1944253 JewishGen Locality Page

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

http://www.jewishencyclopedia.com/articles/9389-kletzk History

http://www.jewishvirtuallibrary.org/jsource/judaica/ejud_0002_0012_0_11286.html History

http://www.kletsk.org/

Neszwish  Nyas'vizh [Bel], Nesvizh [Rus], Nieśwież [Pol], Neshviz [Yid], Nesvyzius [Lith], Njaswisch [Ger], Ņasviza [Latv],

Niaśviz, Niesviez, Nishviz, Nyeshvyezh, Neswisch, Niasvizh, Njasviz

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-1946768 JewishGen Locality Page

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

Snow  Snov [Rus], Snów [Pol], Snuv [Yid], Snoŭ [Bel]

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-1949772 JewishGen Locality Page