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  The New Oxford Book of Carols: Paperback - Google Books

  http://books.google.de/books/about/The_new_Oxford_book_of_carols.html?id=hksJAQAAMAAJ&redir_esc=y

  Music and texts of 201 carols for the Christmas season (many in more than one setting), each with copious notes on historical background and performance. An extensive general introduction gives an overview of the history of the carol, and there are a…

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  Franken im Mittelalter

  http://www.hdbg.de/fra-mitt/german/quellen/quelle_03_ld.html

  Sprache im Mittelalter

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