蔵書票
↑ FRENCH BOOK-PLATES. George Bell & Sons , York Street , Covent Garden , & New York. (1896). p. 8
↑ ENGLISH BOOK-PLATES. George Bell & Sons , York Street , Covent Garden , & New York. (1894). pp. 45 , 51 ,53
1 2 3 Edward Almack (1908), Bookplates, A・C・マクラーグ(英語版), pp. 12-13, https://archive.org/details/bookplatesalmack00alma/page/12/mode/2up/search/hedgehog?view=theater
↑ GERMAN BOOK-PLATES. George Bell & Sons. (1901). pp. 46-50
↑ GERMAN BOOK-PLATES. Georg Bell & Sons. (1901). pp. 267-279
↑ GERMAN BOOK-PLATES. George Bell&Sons. (1901). pp. 4-5