Bibliography
1.<http://www.musictheory.halifax.ns.ca/3keyboard.html>
2. <http://www.diabolus.org/prices/prices.htm>
3. <http://www.rawbw.com/~hbv/earlymus/instrument.html>
4. <http://www.rawbw.com/~hbv/earlymus/earlymus.html>
5. <http://users.erols.com/cembalo/spinet1.html>
6. <http://www.serve.com/marbeth/harpsichord_touch.html>
7. <http://www.ifrance.com/pianos/Histoire/pianoforte.htm>
8. <http://www.ffaire.com/beethoven/piano.html>
9. <http://www.ifrance.com/pianos/Histoire/romantiques.htm>
10. <http://www.t-ppianos.co.uk/grandPianos/1920_SteinwayModelA.htm>
11. <http://www.concertpitchpiano.com/index.html>
12. <http://www.lindebladpiano.com/index.htm>
13. <http://www.schimmel-piano.de/e/flgklang.html>
14. <http://www.pianosupply.com/dl/>
15. <http://www.musicplay.com/action/action.html>
16. <http://www.uk-piano.org/history/history.html>
17. <http://www.baldwinpiano.com/learn/phistory.html>
18. <http://www.ptg.org/museum/>
19. <http://www.pianosonline.co.uk/pol/org.paneris.pol.controller.Page/Home/Events/Dain_Eng.htm>
Main Page
Before the Piano
Progress of the Piano
Inside a Concert Grand
The Action Mechanism