October 1891
October – Sometime during the month, probably after the Clemenses were settled in Berlin, Sam inscribed a photograph of himself to Charles Warren Stoddard: C.W.S. / from his oldest and wisest friend / Mark Twain / Oct 1891 [MTP].
Sam’s notebook entry during this month shows he at least knew of Emily Dickinson. He quoted Thomas W. Higginson’s description of her father’s house in Amherst, Mass: