«Bertha Lum». USC PAM. Consultado em 10 de novembro de 2018
worldcat.org
Paths to the press : printmaking and American women artists, 1910-1960. Marianna Kistler Beach Museum of Art, Kansas State University 1st ed. Manhattan, Kan.: [s.n.] 2006. ISBN1890751138. OCLC71842315