Early History of Yaesu Musen in Australia - This site gives an insite into the marketing of Yaesu Musen SSB equipment on the Australian Amateur Radio market in the early 1960's. - http://home.alphalink.com.au/~gfs/yaesu/Yaesu1.htm
Lin Robertson's Old-Time Radio - KJ6EF. Radio history, collectors' pages, and an Internet radio station devoted to old time radio. - http://www.moonlightsys.com/otr/
Wumpus's Old Radio World - Radio history, older German radios, and crystal sets. - http://home.snafu.de/wumpus/index.html
United States Early Radio History - Articles about early radio and related technologies, concentrating on the United States from 1897 to 1927. - http://earlyradiohistory.us/
Frederick Terman - By Ed Sharpe - Biography of radio man Frederick Terman. - http://www.smecc.org/frederick_terman_-_by_ed_sharpe.htm
Morse, Samuel Finley Breese - From Adventures in CyberSound: History of radio and the related media. - http://www.acmi.net.au/AIC/MORSE_BIO.html
Nathan Stubblefield - Kentucky farmer invents wireless telephone. But was it radio? Facts and folklore about Nathan Stubblefield by Bob Lochte. - http://www.nathanstubblefield.com/
Shortwave History on the Net - Comprehensive listing of articles about the history of shortwave radio. - http://www181.pair.com/otsw/net.html
K5MB Remembers... - His Early Days of Ham Radio in the 1950s. - http://www.qsl.net/k5mb/earlyday.html
The Dawn of Amateur Radio in the UK and Greece - This is actually a BOOK on-line detailing MOST of the history of electricity and electronics, as they affected amateur radio. - http://home.mweb.co.za/sa/salbu/aDawnOfAmateurRadio/chapt01.htm
World of Wireless - Extensive information on the early history of radio. - http://home.luna.nl/~arjan-muil/radio/history.html
Bletchley Park - Britain's best kept secret. WW2 Deciphering location, offering historical tours. - http://www.cranfield.ac.uk/ccc/bpark/