The references suck dick. It looks like the only thing that might have anything to do with proving shit is not fully referenced. https://www.jewishvirtuallibrary.org/jsource/US-Isreal/usjewpopi.html Can't tell what the last letter after pop is supposed to be in the picture. https://www.hillel.org/docs/default-source/historical/american-jewish-year-book-(1920-1921).pdf?sfvrsn=2 Rodriguez pg 385 No fucking idea what this is. US Census of 1869