A business magazine published by Mainichi Shimbun Publishing. First published in April 1923. The magazine has a long history, with more than 4659 issues in total up to 2021. Cross-search with other archives ("Weekly Diamond," "DIAMOND Harvard Business Review" and so on) registered in the Keiyou Digital Library is also available. The archives of 1960s and 1970s are available at Waseda University.
The following archives are available at the University: 1960s and 1970s.
Faulty of Commerce