
New book on the history of Japan’s (lack of) an immigration policy, "Foreign Labor Policy: A 30-Year History of Confusion Caused by Power Struggle in Kasumigaseki and Japanese-Style Employment Practices" by Keiichiro Hamaguchi.
Reviews which summarize some of the main points:
https://news.yahoo.co.jp/articles/7d9db79b3fb1ef2fd6524f29be3cc198f585cbf2
by jjrs