edited, annotated, and with introductions by Jon Livingston, Joe Moore, and Felicia Oldfather
Pantheon Books, 1973
Buku Teks SO
edited by Ryutaro Komiya ; transleted by Robert S. Ozaki
University of California Press, 1966
Buku Teks SO
Weinstein, Martin E.
Columbia University Press, 1971
Buku Teks
Kersten, Rikki
Institute of Social Science, University of Tokyo, 2009
Artikel Jurnal
Eto, Jun
International Society for Educationa Information, 1974
Buku Teks SO