Faces in Santa Ana Window (sources)
- PRIMARY SOURCE: "Spectre Faces," article in the Los Angeles Herald, newspaper of Los Angeles, California, USA , Vol. 10, No. 37, July 13, 1878. Online at: http://cdnc.ucr.edu/cgi-bin/cdnc?a=d&d=LAH18780713.2.14&e=-------en--20--1--txt-txIN-------#
- "Nature's Strange Photographs," by Henry Winfred Splitter, article in FATE Magazine, Iss. 58 (Vol. 8, No. 1), January 1955 Clark Publishing Company, Evanston, Illinois, USA. Pg. 23