well , that's what i'm getting at is that these were private institutions , so you'd have to track down their administrators , i believe . "源泉"は民間企業だ 運営者を捜しては?
reference: the 1975 document entitled " shiryo: oyatoi-gaikokujin " (document on hired foreigners ) lists the names of 2 ,299 people with foreign nationalities who were employed by japanese public and private institutions as well as by individuals between 1868 and 1889 (the list includes the names of families and employees at the foreign diplomatic missions ). 【参考】『資料 御雇外国人』（1975）には1868（明治1年）から1889年（明治22年）までに日本の公的機関・私的機関・個人が雇用した外国籍の者の数として2,299人の名前が挙げられている（注：家族や在外公館の雇用者も含む）。
