Jewish Communities of the Lithuania (Vilna and Kovna Gubernyas)

JewishGen – Jewish Genealogy website, www.JewishGen.org

JewishGen’s KehillaLinks (Jewish Communities) Project, https://kehilalinks.jewishgen.org/ 

JewishGen’s Yizkor Book Project, Translations, https://www.jewishgen.org/Yizkor/translations/

LitvakSIG – Litvak genealogy special interest group, www.LitvakSIG.org

LitvakSIG’s searchable “All-Lithuania Database,” www.LitvakSIG.org/ALD

Yiddish Book Center, www.yiddishbookcenter.org

Yiddish Book Center, scanned images of original yizkor books, https://www.yiddishbookcenter.org/collections/yizkor-books