Apel, Willi <br/><br/>
The notation of polyphonic music, 900-1600. 

 - 5th ed. rev. and with commentary. 
 - Cambridge, Mass.  Mediaeval Academy of America  1953 [i.e. 1961] 
 - xxv, 464, [30] p.  facsims., music.  26 cm. 
 - Mediaeval Academy of America. Publication  no. 38 .
<br/><br/> "Appendix: transcriptions": [30] p. at end. 
<br/><br/><label>LCCN: </label>61012067  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Musical notation
<br/><br/><label>LC Class. No.: </label>ML431  / .A6 1961 
<br/><br/><label>Dewey Class. No.: </label>781.24  / A641n5