Popular Science Magazine
/Popular Science magazine has partnered with Google to offer their entire 140-year archive for free browsing, it includes some amateur radio related articles
Popular Science Magazine Archive - http://www.popsci.com/archives
Interesting Articles
March 1932, p78 Learn Morse Code - http://www.popsci.com/archive-viewer?id=4icDAAAAMBAJ&pg=72&query=ham%20radio
November 1941 p78 The Hams Join Up features Kay Kibling W2HXQ - http://www.popsci.com/archive-viewer?id=nCcDAAAAMBAJ&pg=78&query=ham%20radio
May 1961 p112 How Earth Radio Would Launch ICBM's - http://www.popsci.com/archive-viewer?id=ViYDAAAAMBAJ&pg=112&query=ham%20radio