グラディス・ハンセン
Gladys C. Hansen; William F. Heintz (1970). The Chinese in California: a Brief Bibliographic History. Richard Abel & Company Inc.. ISBN 9781111671631. https://books.google.com/books?id=MvZCAAAAIAAJ
Gladys C. Hansen (1980). San Francisco Almanac: Everything You Want to Know about the City. Presidio Press. ISBN 9780891410928. https://books.google.com/books?id=vukjAQAAIAAJ&
Gladys C. Hansen; Emmet Condon (1989). Denial of Disaster. Cameron and Company.