"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M37J-RKV : accessed 07 Sep 2012), Joel Weiss in household of Max Weiss, ED 284 Philadelphia city Ward 15, Philadelphia, Pennsylvania, United States; citing sheet 12B, family 232, NARA microfilm publication T623, FHL microfilm 1241458.