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