Sources on Jewish Communities in this section:

Andshejowo  Andrzejewo [Pol], Andzheyevo [Rus]

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-492271 JewishGen Locality Page

Ostrow  Ostrów Mazowiecka [Pol], Ostrov-Mazovyetsk [Yid], Ostrova [Yid], Ostrów, Ostrov, Ostrova, Ostrove, Ostreve,

Mazovyetska, Ostrov-Mazovetskiy, Ostrów Mazowiecki  

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-520582 JewishGen Locality Page

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

http://www.jewishvirtuallibrary.org/jsource/judaica/ejud_0002_0015_0_15264.html History

Sambrow   Zambrów [Pol], Zembrova [Yid], Zambruv [Rus], Zambrov, Zembrov, Zembrove, Zombrov

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-538544 JewishGen Locality Page

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

http://www.jewishvirtuallibrary.org/jsource/judaica/ejud_0002_0021_0_21384.html History

Saremby Kosijelnyja   Zaręby Kościelne [Pol], Zaromb [Yid], Zaremby-Kostzel'ne [Rus], Zarebi Koshelne, Zarembi

Koshchelne, Zaremby, Zaremby Koscielne

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-538700 JewishGen Locality Page

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

Schumowo   Szumowo [Pol], Shumovo [Rus], Sumeve [Yid], Szumowo Nowe

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-532349 JewishGen Locality Page

Tschishew  Czyżew-Osada [Pol], Czyżewo [Pol], Chizeva [Yid], Chizhev-Osada [Rus], Czyżew, Chizheva, Chizhevo,

Tshizsheve, Tshizheva, Tzizhav

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-498531 JewishGen Locality Page

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

Kosewo   Kosewo [Pol], Kossewo

http://data.jewishgen.org/wconnect/wc.dll?jg~jgsys~community~-509957 JewishGen Locality Page