Samson, Charley (January 18, 2010). "Wednesday January 20, 2010". CPR Classical. Colorado Public Radio. Archived from the original on 2014-07-29. Retrieved July 28, 2014.
debussy.fr
"Préludes (Premier livre)". Debussy.fr. Centre de documentation Claude Debussy. 2007. Archived from the original on June 1, 2020. Retrieved July 28, 2014.
doi.org
Timbrell, Charles (August 1992). "Claude Debussy and Walter Rummel: Chronicle of a Friendship, with New Correspondence". Music & Letters. 73 (3). Oxford University Press: 399–406. doi:10.1093/ml/73.3.399. JSTOR735295. (registration required)
ivoryclassics.com
Weiss, Christopher (2003). "Debussy Préludes Books I & II"(PDF). Ivory Classics. Ivory Classics Foundation. Archived from the original(PDF) on June 1, 2020. Retrieved August 3, 2014.
jstor.org
Timbrell, Charles (August 1992). "Claude Debussy and Walter Rummel: Chronicle of a Friendship, with New Correspondence". Music & Letters. 73 (3). Oxford University Press: 399–406. doi:10.1093/ml/73.3.399. JSTOR735295. (registration required)
web.archive.org
Samson, Charley (January 18, 2010). "Wednesday January 20, 2010". CPR Classical. Colorado Public Radio. Archived from the original on 2014-07-29. Retrieved July 28, 2014.
"Préludes (Premier livre)". Debussy.fr. Centre de documentation Claude Debussy. 2007. Archived from the original on June 1, 2020. Retrieved July 28, 2014.
Weiss, Christopher (2003). "Debussy Préludes Books I & II"(PDF). Ivory Classics. Ivory Classics Foundation. Archived from the original(PDF) on June 1, 2020. Retrieved August 3, 2014.