The collection contains, 2,604 letters, 2,228 of which are from Lydia Maria Child. Topics include antislavery, politics, Childs' professional writing experience, her work as an editor of a children's magazine, her financial assistance to musicians and artists, feminism, and Child's personal life. Recipients include Ralph Waldo Emerson, George Eliot, Margaret Fuller, Charles Dickens, James T. Fields, William Cullen Bryant and other prominent cultural figures.