According to a book written by Sadao NAKAJIMA, graduates of universities other than Tokyo University, Waseda University, Keio University, and Nihon University College of Art, and of Kyoto University or Doshisha University for the Kyoto Studios, were not recruited unless they had strong personal connections.
中島貞夫の著書によると東京大学、早稲田大学、慶應義塾大学、日本大学芸術学部、京都撮影所枠で京都大学、同志社大学以外の学生は採用に至ることは縁故以外ではなかったという。