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 |  |  | [untexted work: GB-Lwa 12185, Tenor secundus]monophonic anonymous motet SourcesLondon: Westminster Abbey 12185, fol. 2v (1/0).LiteratureSUMMERS, William. 'English Fourteenth-Century Polyphonic Music. An Inventory of the Extant Manuscript Sources', Journal of Musicology VIII/2 (1990), p. 41., p. 41.  |  |  |  | 
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