Robert Louis Stevenson
"THE COTTAGE, CASTLETON OF BRAEMAR, SUNDAY, AUGUST (? TH), 1881.
"MY DEAR SIR, - I should long ago have written to thank you for your kind and frank letter; but, in my state of health, papers are apt to get mislaid, and your letter has been vainly hunted for until this (Sunday) morning.
"I must first say a word as to not quoting your book by name. It was the consciousness that we disagreed which led me, I daresay, wrongly, to suppress ALL references throughout the paper. But you may be certain a proper reference will now be introduced.
"I regret I shall not be able to see you in Edinburgh: one visit to Edinburgh has already cost me too dear in that invaluable particular, health; but if it should be at all possible for you to pass by Braemar, I believe you would find an attentive listener, and I can offer you a bed, a drive, and necessary food.
"If, however, you should not be able to come thus far, I can promise two