Sources on Jewish Communities in this section:

Biala  Biała Podlaska [Pol], Podlyashe [Yid], Litvish Biale [Yid], Biala Gadol [Heb], Biala, Biala D'Lita

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-493309 JewishGen Locality Page

http://www.jewishgen.org/Yizkor/pinkas_poland/pol7_00084.html Yizkor Book

Janow  Janów Podlaski [Pol], Yanov [Yid], Yanov Shedletzki, Yanov Podlaski, Janów, Yaneve

http://www.jewishvirtuallibrary.org/jsource/judaica/ejud_0002_0010_0_09786.html History

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-505127 JewishGen Locality Page

http://www.jewishgen.org/Yizkor/pinkas_poland/pol7_00265.html Yizkor Book

Konstantynow  Konstantynów [Pol], Konstantynów nad Bugiem, Konstantynów Podlaska, Konstantynuv [Rus], Kostentin [Yid],

Kanstantynaŭ [Bel], Konstantin, Konstantinov, Kozierady

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-509626 JewishGen Locality Page

http://www.jewishvirtuallibrary.org/jsource/Holocaust/Koltan.html History

http://www.jewishgen.org/Yizkor/pinkas_poland/pol7_00470.html Yizkor Book