Collection of letters to Eastman from civil engineer Charles Sloane; journalist and social reformer Paul Underwood Kellogg; drama critic Clayton Meeker Hamilton; Eastman's secondary school friend Ida Langdon, who was attending Bryn Mawr; an unidentified friend, Summer Robinson, and various other people (including Eastman's sister, Dorothy). The primary topic of the letters is the individual correspondent's relationship with Eastman; many are love letters. Includes a folder of poetry and literature sent to Eastman by unidentified correspondents. There are no letters by Eastman in the collection.