Kondo, Dorinne K.:Crafting Selves: Power, Gender, and Discourses of Identity in a Japanese Workplace, s. 57–58.The University of Chicago Press, 1990.ISBN0-226-45044-9Teoksen verkkoversio.
Sawada, Mitziko:Tokyo Life, New York Dreams: Urban Japanese Visions of America, 1890–1924, s. 63–68.University of California Press, 1996.ISBN0-520-07379-7Teoksen verkkoversio.