Robert Cochrane - The British Letter Writers (1882)
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From the editor who gave us the book in the last post is his follow up devoted to letters, which interested readers more than today even before the advent of email and texting. (Simon Garfield's 2013 To the Letter: A Celebration of the Lost Art of Letter Writing is a nice overview and as a bonus has some wonderful WW2 letters from a British soldier to his wife that had been previously unpublished.) This book has two sections, one of "familiar and domestic" and the other "historical, literary and descriptive". The familiar names are because of some reason other than the letters, excepting Lord Chesterfield and possibly Lady Montagu. The only real complaint I suppose is that the writers are generally represented by only a letter or two so they're pretty brief encounters.