- [S1] D. Keawe'ehu Vredenburg, Keawe'ehu Campbell 'Ohnana, 1 edition, (Name: Name: Name: Name: Name: Name: Kamuela, Hawaii: D. Keawe'ehu Vredenburg, 2009.;;;;;;), Site 42-54.
- [S104] Ancestry.com, U.S., Social Security Applications and Claims Index, 1936-2007, (Name: Name: Name: Name: Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2015;;;;;).
- [S303] Newspapers.com - Honolulu Star-Bulletin - 25 Dec 1990 - Page 45, (Name: Name: Honolulu Star-Bulletin; Location: Honolulu, Hawaii; Date: 25 Dec 1990;;), Obituary for Carl H. Adolpho (Aged 48) 25 Dec 1990.
https://www.newspapers.com/clip/39598955/obituary_for_carl_h_adolpho_aged_48/?xid=637
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