Beth Israel Cemetery (Portland, Oregon)
- "Solomon Hirsch, Early Jewish Pioneer Businessman and Politician of Portland Oregon". Jewish Museum of the American West. Retrieved November 4, 2017.
- Spencer, Thomas E. (1998). Where They're Buried: A Directory Containing More Than Twenty Thousand Names of Notable Persons Buried in American Cemeteries, with Listings of Many Prominent People who Were Cremated. Genealogical Publishing. p. 430. Retrieved November 4, 2017.
- Media related to Beth Israel Cemetery (Portland, Oregon) at Wikimedia Commons