-
1Saitama no chūken 100-sha = 100 companies in Saitama /埼玉の中堅 100社 = 100 companies in Saitama /Published 1981
Book -
2Kita Kantō no chūken 100-sha = 100 major companies in Ibaraki, Tochigi & Gunma /北関東の中堅100社 = 100 major companies in Ibaraki, Tochigi & Gunma /Published 1982
Book