The Anthony - Avery collection consists mainly of the correspondence between Susan Brownell Anthony and Rachel Foster Avery. The correspondence dates between the years 1882 to 1908, with the greatest number of letters having been written in 1887, 1897 and 1898. Most of the letters were written by Susan B. Anthony to Rachel F. Avery (161): there are also 36 retained carbons of Mrs. Avery's letters to Miss Anthony. Other women active in the suffrage movement who are represented in the collection by correspondence to either Miss Anthony or Mrs. Avery are: Elizabeth Cady Stanton, Carrie Chapman Catt, May Eliza Wright Sewall, Harriet Taylor Upton, Isabel Howland, Lillie Devereux Blake, Anna Howard Shaw, Lucretia Longshore Blankenburg, Elizabeth Blackwell, and Mary Garrett Hay. A chronological list of all the correspondence is included in this register.