Typed letter signed.
4to. 1½ pp. on a bifolium.
To the neurologist and writer Silas Weir Mitchell, member of the American Philosophical Society: "You make it very hard for me, my dear sir. Believe me, it was painful to have to refuse your request, and it is painful now to say that I simply can not take a whole day off at that time to come even for the purpose you indicate [...] If you and any others whom you choose to indicate can bring on the French Delegate and other foreign guests (if there are any who are similarly entitled to recognition), I would be very glad to have the whole party take lunch with me; but I can not go to Philadelphia or anywhere else at that time [...]".
On stationery with printed letterhead of the White House.