Public domain music

from Kuolema, Op.44 (Sibelius, Jean) - IMSLP/Petrucci Music Library: Free Public Domain Sheet Music. Imslp.org. [2015-04-24]. （原始内容存档于2022-02-15）.  《悲傷圓舞曲》總譜上的標示。

Christie. Wiki of public domain classical scores. MIT Library News. 2007-01-05 [2007-11-06]. （原始内容存档于2007-11-11）.  Research Guides: Music. MIT Libraries

（原始内容存档于2009-10-16）.  Statistics – IMSLP/Petrucci Music Library: Free Public Domain Sheet Music. Imslp.org. [2012-03-24]. （原始内容存档于2022-04-17）.  Statistics

Grove Music Online, ed. L. Macy (Accessed December 30, 2007), (subscription access) （页面存档备份，存于互联网档案馆） This entry incorporates public domain text originally

the poetry and music of Machaut: The Digital Image Archive of Medieval Music （页面存档备份，存于互联网档案馆）. Messe de Nostre Dame – Public Domain Recording （页面存档备份，存于互联网档案馆）