| I am a professor at the State University of Campinas - 
UNICAMP, in Brazil , and I am working on an accademic project concerning the 
very early history of sound recording. I am looking for a critical bibliography of sound recording 
history. I would be very much thanked if I could have some help on this subject. 
 Thanking for the attention given to this e-mail, I am yours 
sincerely,  Eduardo Andrade. 
anderson@xxxxxxxxxx |