Sarah Norcliffe Cleghorn (1876-1959) was a Quaker author, reformer, and pacifist from Manchester, Vermont, and Philadelphia, Pennsylvania. Throughout her life she was active in a number of reform movements, including peace, anti-vivisection, women suffrage, anti-lynching, prison reform, and opposition to child labor. She joined the Socialist party at the age of 35. At the time of her death in 1959, she was a member of Chestnut Hill (Pa.) Monthly Meeting. The collection contains correspondence, biographical data, essays, pageants and poetry, clippings, memorabilia, and photographs. Includes a grangerized copy of Cleghorn's autobiography, Threescore, and her War Journal of a Pacifist. Correspondents include Emily Greene Balch, A.J. Muste, Scott Nearing, Clarence Pickett, Norman Thomas, and Muriel Lester.