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Roger Bacon (41) Leonhard Schneider (4) Robert Belle Burke (4) Held Gustav (3) Amanda Power (2) H. Stanley Redgrove (2) Roger Bacon; Steele Robert (2) Evalyn Westacott (2) William Romaine Newbold; Roland Grubb Kent (2) John Erskine (2) Meagan S. Allen (2) David C. Lindberg (1) H. H. Glunz (1) John J. Coss; John Erskine; Claggett (INT) Wilson (1) Roger Bacon; Robert (EDT) Steele (1) Roland Grubb Kent; William Romaine Newbold (1) Roger Bacon; Edmond (EDT) Nolan; S. A. (EDT) Hirsch (1) Clarence J. Hylander; David Sinton Ingalls (1) Peter Lloyd (1) Roger Bacon; Samuel Jebb (1) Roger Bacon; Penny Graham (1) William Romaine Newbold (1) Basilius Valentinus; Roger Bacon; John Isaac Holland (1) Emile-Auguste Charles (1) Charles Jourdain (1) Émile Charles (1) Albert Le Grand; Roger Bacon (1) Gustav Held (1) Günter Mensching (1) Mara Huber (1) Jie Simona Zhou (1) H Siebert (1)