Beyond the sources of information already mentioned throughout, I commend to you: Theodore Bernstein’s Miss Thistlebottom’s Hobgoblins, one of the charmingest, smartest, most readable books on the subject of language I’ve ever read and these exceptionally erudite, eminently bookmarkable sites, to which I return over and over: Grammarist (grammarist.com) Patricia T. O’Conner and Stewart Kellerman’s Grammarphobia (grammarphobia.com) Jonathon Owen’s Arrant Pedantry (arrantpedantry.com) Kory Stamper’s Harmless Drudgery (korystamper.wordpress.com) Online Etymology Dictionary (etymonline.com) Mignon
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