Declines a social invitation: “My dear Sir, I am suddenly and unavoidably prevented from enjoying the pleasure I had hoped for tonight. You will … understand how vexatious it is to me to be thus deprived of it, I hope [you?] will allow me to call soon and apologize in person – though indeed it is Providence above from whom an apology is due – to me as well as to you." Sender's address marked as 22a Dorset Street, W.