Diskuto:Alexander Graham Bell
El Vikipedio
[redaktu] Aldonaj bildoj
[redaktu] Aldonaj eksteraj ligiloj
http://www.agbell.org
http://www.alexandergrahambell.org
http://www.biographi.ca/EN/ShowBio.asp?BioId=42027
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=174465.WKU.&OS=PN/174465&RS=PN/174465
http://memory.loc.gov/ammem/bellhtml/bellhome.html
http://www.invent.org
http://news.bbc.co.uk/1/hi/sci/tech/3253174.stm
http://www.ynet.co.il/articles/0,7340,L-3057702,00.html
http://histv2.free.fr/bell/bellnotice.htm
http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=174465
http://www.deutsches-telefon-museum.de/Alexander%20Graham%20Bell.htm