Sources on Jewish Communities in this section:

Бълостокъ   Białystok [Pol], Byalistok [Yid], Belostok [Rus], Belastok [Bel], Balstogė [Lith], Bjalistoka [Latv], Bialistok, Bielastok

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-493500 JewishGen Locality Page

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

Brockhaus-Efron Jewish Encyclopeida

Васильковъ   Wasilków [Pol], Vashilkova [Yid], Vasil'kuv [Rus], Vashilkuv, Vasilkov

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-534485 JewishGen Locality Page

Соколка  Sokółka [Pol], Sokolke [Yid], Sokolka [Rus], Sakulka [Bel], Sokulka [Lith]

JewishGen Locality Page

Хорощь   Choroszcz [Pol], Choroshtch [Yid], Khoroshch [Rus], Choroszcza

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-497072 JewishGen Locality Page

Супрасль   Supraśl [Pol], Soprashl [Yid], Suprasl' [Rus], Suprashl, Suprasle

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-531239 JewishGen Locality Page

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

Заблудовъ   Zabłudów [Pol], Zablodove [Yid], Zabluduv [Rus], Zablodov, Zabludova

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-537805 JewishGen Locallity Page

Суражъ   Suraż [Pol], Surazh [Rus, Yid]

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-531248 JewishGen Locality Page

Лапы   Łapy [Pol], Lapy [Yid, Rus]

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-512424 JewishGen Locality Page

Тыкоцинъ   Tykocin [Pol], Tiktin [Yid], Tykotsin [Rus], Tykotzin [Ger], Tikotsin, Tuktin, Tyktin

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-533770 JewishGen Locality Page

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

Кнышинъ   Knyszyn [Pol], Knyshin [Rus], Knishin [Yid], Knisin, Kniszyn

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-508184 JewishGen Locality Page

Ясеновка   Jasionówka [Pol], Yashinovka [Yid], Yasienuvka [Rus], Yashinefke

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-505356 JewishGen Locality Page

Тростяны    Trzcianne [Pol], Trestiny [Yid], Tshchanne [Rus], Trzcianny, Trestina, Trostiany, Tshchiana

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-533270 JewishGen Locality Page

Завады    Zawady [Pol], Zavady [Rus], Zawada, Zawady Borysówka, Borysówka, Zawady Kościelne

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-538998 JewishGen Locality Page

Соколы   Sokoły [Pol], Sokoli [Yid], Sokoly [Rus], Sekole

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-529340 JewishGen Locality Page

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

Городокъ   Gródek [Pol], Horodok [Yid], Horodok al-yad Bialystok [Heb], Grudek [Rus], Gródek Sokolski, Gródek Białostocki, Grudki

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-503535 JewishGen Locality Page