Twelve letters (1889-1899) that Guiney sent to Edward Henry Clement, editor-in-chief of the Boston Transcript; two letters to F. Holland Day concerning John B. Tabb and Lionel Johnson; one to Mr. Butterworth, editor of The Companion, making arrangements to reprint a poem; one to William Doxen concerning the sale of one of her books for the benefit of the Stevenson Memorial Fund; photostats of two letters (1883) to Charles Edwin Hurd, literary editor of the Boston Transcript, describing her literary adventures; and a manuscript poem, "York Stairs."