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        Medieval Music Database  
Agnus Deianonymous                  
Sources   
London: British Library, Additional 57950 (olim Old Hall, Library of St. Edmund's College), fol. 101 (3/3).
Facsimiles   
English Fourteenth-Century Polyphony: Facsimile Edition of Sources Notated in Score, edited by William J. Summers, Tutzing: H. Schneider, 1983. Münchner Editionen zur Musikgeschichte IV, plate 135. 
Editions  
The Old Hall Manuscript, edited by Andrew Hughes and Margaret Bent, 3 vols., American Institute of Musicology, 1973. Corpus Mensurabilis Musicae 46, Vol. I, p. 376. 
   
        
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