foundInLOC-NA u. RAK. — Journal of a residence in the Sandwich Islands... / by C. S. Stewart, 1970. — LC Authorities - http://authorities.loc.gov (2022-04-11). — BN Cat. gén.
Charles Samuel Stewart, missionary to Hawaii. [from photo, Published by the Hawaiian Mission Children's Society / Hawaiian Mission Children's Society (1901) Portraits of American Protestant Missionaries to Hawaii, Honolulu: Hawaiian Gazette Company, p. 18 -- Public domain -- http://commons.wikimedia.org/wiki/File:Charles Samuel Stewart.jpg]