Link to photographs taken by Dr. S. Lambert in 1939, now at the archives of the University of California–San Diego. See Lambert, S. M. (1941) A Yankee Doctor in Paradise. Boston: Little, Brown and Company.
https://libraries.ucsd.edu/digital/#search&q=sikaiana (sorry it uploads slowly)
Below are photos are from the Templeton Crocker Expedition which visited Sikaiana in 1933.