"Oregon Death Index, 1903-1998," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VZWL-TPD : 11 December 2014), Burton Bushman, 02 Aug 1938; from "Oregon, Death Index, 1898-2008," database and images, Ancestry (http://www.ancestry.com : 2000); citing Union, Oregon, certificate number 109, Oregon State Archives and Records Center, Salem.
Find a Grave, database and images (https://www.findagrave.com/memorial/61514124/berton-a-bushman : accessed 24 April 2022), memorial page for Berton A. Bushman (1923–1938), Find a Grave Memorial ID 61514124, citing Hillcrest Cemetery, La Grande, Union County, Oregon, USA ; Maintained by Dan & Barbara (contributor 47033260) .