"New York Passenger Arrival Lists (Ellis Island), 1892-1924", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:JJ79-DY6 : 16 de agosto de 2019), Rosalie Sersen, 1914.
"California Death Index, 1940-1997," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VP4Y-6NY : 26 de noviembre de 2014), Zalla Z Lohman, 12 de julio de 1967; Department of Public Health Services, Sacramento.
newspapers.com
«Vital Records». The San Bernardino County Sun. 22 de octubre de 1930. p. 23. Consultado el 25 de enero de 2020 – via Newspapers.com.