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URL: http://books.google.com/books?id=Yh0NAAAAYAAJ (Google Books. Digitalisiert: 11. Sept. 2007, Vorlage: New York Public Library) [G; PDF]
URL: http://hdl.handle.net/2027/nyp.33433082328943 (HTDL, Vorlage: New York Public Library) [G; PDF]
URL: http://books.google.com/books?id=rXUIAAAAQAAJ (Google Books. Digitalisiert: 31. Mai 2007, Vorlage: Oxford Univ.) [G; PDF]
URL: http://books.google.com/books?id=-UcOAAAAQAAJ (Google Books. Digitalisiert: 9. Nov. 2007, Vorlage: Oxford Univ.) [G; PDF]
URL: http://www.archive.org/details/deveteribusindi00bartgoog (Internet Archive. Digitalisiert: 9. Nov. 2007, Vorlage: Oxford Univ.) [Daisy; DjVu; ePub; G; Kindle; PDF; TXT]
Quelle: Google Books