Media type: E-Book; Notated Music Title: Hec dies (in perotinus style) / Anonymous Published: Alexandria, VA: Alexander Street Press, 1950 [Cambridge, MA]: Harvard University Press, 1950 s.l, 2008 Published in: Music Online Reference Classical scores library Extent: 1 Online-Ressource (1 full score (2 p.))) Language: English Keywords: Vocal music Place of reproduction: , 2008 Reproduction note: Reproduction Origination: Footnote: Title from HTML t.p. (viewed Apr. 3, 2009)