http://www.theoccident.com/occident/volume8/jun1850/martyrs.html

Interwar period, white ethnic: https://www.jstor.org/stable/27501491

fundamentalists phrophetic view of Jews: https://www.jstor.org/stable/4467281

philadelphia bank for russian jews: https://www.jstor.org/stable/10.5325/pennhistory.81.2.0226

assimilation russian and polish jews in philadelphia: https://www.jstor.org/stable/27645450

passover+soviets: https://www.jstor.org/stable/23887419

republicanism strike: https://www.jstor.org/stable/10.5325/pennhistory.80.3.0364

https://www.jta.org/2020/06/03/united-states/how-philadelphias-creative-jews-are-handling-the-coronavirus-pandemic