secondary sources
" Encuclopedia of World Biography on Bartoloemo Cristofori. Book Rags.29 Jan 2009http://www.bookrags.com/biography.bartolomeo-cristofori/.
Bastien, James.Piano Literature Volume three for the Intermediate Grades. GP20. San Diego, CA: General Words and Music Co., 1968
Lanz, David. Solos for New Age Piano.Milwakee, WI: Nara Music Inc.,1991.
Shanks, Micheal. " A Breif History of the Piano" A Brief History of the Piano . 2006.23 Jan 2009 http://traumwerk,stanfordedu:3455/MichealShanks/2677.
Villemin, Stephane. "History Of the Piano."Scena. March 1, 2000. 23 Jan 2009http://scena,org/lsm/sm5-6/historypiano-en.htm
"Cristofori Inventor of the Piano."cristofori inventor of the piano. 23Jan 2009 http://ww.cantos.org/Piano/History/cristofori.html.
Collosson, Ernest .HIstory of the Piano. Elek,London:1947.
"ACoustic& Digital Pianos." Yamaha. Yamaha. 26 Feb 2009 <http://www.giles.com/educatorforum/pianos_acoustic.htm>.
Primary scourses
"Made by Bartolomeo Cristofori: Grand Piano (89.4.1219)". In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000–. http://www.metmuseum.org/toah/ho/09/eustc/ho_89.4.1219.htm (October 2006) "Elite Choice." A New Generation o Grand Piano.January 2009. Elite Choice.5 Feb 2009http://www.elite-choice.org/?cat=6.
Steingraeber&Sohne, "Concert Grand E-272." Stiengraeber & Sohne. 5 Feb 2009 http://www.steingraeber.de/english/instrumnets/grand_pianos_125.html.
" Bartlolomoe Crisotfori."Answers.com.23 Jan 2009< www.answers.com/topic/bartolomeo-cristofori>.
Tryon, Valerie. "Discography." Artset. 26 Feb 2009 <http://www.artset.net/Valerie_Tryon/ValerieTryon_CD_Joy.html>.
