"United States Census, 1900", , <i>FamilySearch</i> (https://www.familysearch.org/ark:/61903/1:1:MSH5-8GW : Wed Oct 04 17:39:27 UTC 2023), Entry for Fredrick Helfenstein and Lena Helfenstein, 1900.

Bertha Helfenstein, "United States Census, 1900". 

• References (1)
  • Source/Citation: {Bertha Helfenstein, "United States Census, 1900"}