著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
Hugo's Language Institute,"Exercises, with key, giving examples of all the important rules; practical conversation; synopsis of the rules of grammar; and complete conjugations of the regular and auxiliary verbs : imitated pronunciation of every word",,Hugo's Language Institute,,Hugo's simplified system,,,,https://cir.nii.ac.jp/crid/1130288513185646864